242 Pacific Lowland Mixed Province 313B Navaho Canyonlands Section 332B Western Glaciated Section M333C Northern Rockies Section 211 Northeastern Mixed Forest Province 222L North Central U.S. Driftless and Escarpment Section 232I Northern Atlantic Coastal Flatwoods Section 313Ba Chuska Woodland Subsection 332Ba Drift Plains Subsection M333Ca Livingston Mountains Subsection 125∞0'0"W 120∞0'0"W 115∞0'0"W 110∞0'0"W 105∞0'0"W 100∞0'0"W 95∞0'0"W 90∞0'0"W 85∞0'0"W 80∞0'0"W 75∞0'0"W 70∞0'0"W 65∞0'0"W 222La Menominee Eroded Pre-Wisconsin Till Subsection 232Ia Lower Terraces Subsection 242A Puget Trough Section 313Bc Chuska Cold Shrubland Subsection 332Bb Lowland Subsection M333Cb Canadian Rockies-Whitefish, Swan Mountains Subsection 211A Aroostook Hills and Lowlands Section 222Lb Melrose Forest and Savannah Subsection 232Ib Tidal Area Subsection 242Aa Fraser Lowland Subsection 313Bd Chaco Basin Shrubland Subsection 332Bc Glacial Lake Dakota Subsection M333Cc Mission-Swan Valley-Flathead River Subsection 211Aa Aroostook Hills Subsection 222Lc -Wisconsin River Ravines Subsection 242Ab Eastern Puget Riverine Lowlands Subsection 313Be San Juan Basin North Subsection 332Bd Southern Coteau Slope Subsection M333Ce Flathead Thrust Faulted Mountains Subsection 211Ab Aroostook Lowlands Subsection 222Ld Kickapoo-Wisconsin River Ravines Subsection 232J Southern Atlantic Coastal Plains and Flatwoods Section 242Ac San Juan Islands Subsection 313Bo San Mateo Mountains Woodlands Subsection 332Be Southern Missouri Coteau Slope Subsection M333Cf Northern Rocky Front Subsection 222Le Mineral Point -Savannah Subsection 232Ja Sand Hills Subsection 211B Maine-New Brunswick Foothills and Lowlands Section 242Ad Olympic Rainshadow Subsection 313Bp San Mateo Mountains Coniferous Forest Subsection M333Cg Middle Rocky Mountain Front Subsection 242Aa 222Lf Western Paleozoic Plateau Subsection 232Jb Northern Loam Plains Subsection ECOLOGICAL SUBREGIONS: SECTIONS AND 211Ba Central Maine Foothills Subsection 242Ae Eastern Puget Uplands Subsection 313Bs San Agustin Plains Grassland Subsection 332C Sand Hills Section M333Ch Southern Rocky Mountain Front Subsection 232Jc Southwestern Loam Hills Subsection 211Bb Maine-New Brunswick Lowlands Subsection 242Af Central Puget Lowlands Subsection 332Ca Northern and Western Sand Hills Subsection 242Ac 222M and Northeast Morainal-Oak Savannah Section 232Jd Lower Loam Hills Subsection 242Ag Southern Puget Subsection 313C Tonto Transition Section 332Cb Sand Hills Borders Subsection 222Ma Alexandria Moraine-Hardwood Hills Subsection 232Je Atlantic Southern Loam Hills Subsection 242Ae 211C Fundy Coastal and Interior Section 242Ah Cowlitz-Chehalis Foothills Subsection 313Ca Verde Plains Desert Grass-Shrubland Subsection 332Cc Central Nebraska Hills Subsection M242Dd SUBSECTIONS OF THE CONTERMINOUS 222Mb Big Woods Moraines Subsection 232Jf Gulf Southern Loam Hills Subsection M333D Bitterroot Mountains Section 211Ca Maine Eastern Interior Subsection 242Ai Cowlitz-Newaukum Prairie Floodplains Subsection 313Cb Chino High Plains Grassland Subsection 332Cd West Central Lakes Subsection 242Ab 222Mc Anoka Sand Subsection 232Jg Floodplains and Terraces Subsection M333Da Coeur d’Alene Mountains Subsection M333Ag 211Cb Maine Eastern Coastal Subsection 313Cc Interior Chapparral Subsection 332Ce Western Loess and Till Plains Subsection M242Ac M242Da 222Md Rosemont Baldwin Plains and Moraines Subsection M333Db St. Joe-Bitterroot Mountains Subsection 232K Florida Coastal Plains Central Section 242B Willamette Valley Section 313Cd Mazatzal Mountains Woodland Subsection 332Cf Central Platte Valley Subsection 242Ad 211D Central Maine Coastal and Embayment Section 222Me Oak Savannah Till and Loess Plains Subsection 242Ba Portland-Vancouver Basin Subsection M333Dc Clark Fork Valley and Mountains Subsection 242Ae M242De 232Ka Florida Northern Highlands Subsection M333Ae 211Da Central Maine Embayment Subsection 313D Section 332D North Central Section M333Dd North Hills and Valleys Subsection M333Ae 222N -Aspen Parklands Section 232Kb Florida Central Highlands Subsection 242Bb Prairie Terraces and Floodplains Subsection M242Ai Regional products compiled at a scales of 1:500,000 to 1:1,000,000 by Forest Service regional ecological mappers in participation with 211Db Casco Bay Coast Subsection 242Bd Valley Foothills Subsection 313Da Little River Valley Cold Desert Shrubland Subsection 332Da Ponca Plains Subsection M333De and Breaks Subsection M333Ad 222Na Aspen Parklands Subsection 242Ae M242Db M333Ag 211Dc Penobscot Coast Subsection 313Db Painted Desert Grassland Subsection 332Dd Southern Missouri Coteau Slope Subsection 232L Gulf Coastal Lowlands Section 242Af 342Im federal, state, and non-governmental partners. Regional products recompiled at a scale of 1:1,000,000 following map unit criteria within 222R Wisconsin Central Sands Section 232La LA-MS Gulf Coast Flatwoods-Bays and Barrier Islands Subsection 313Dc Hopi Mesas Woodland Subsection 332De Southern Missouri Coteau Subsection M334 Coniferous Forest Province M242Aa M242Ad M333Ah M333Ab 211E St . Lawrence and Champlain Valley Section M242 Cascade Mixed Forest - Coniferous Forest - Alpine Meadow Seattle 222Ra Central Wisconsin Sand Plain Subsection 232Lb GA-FL Gulf Coast Flatwoods-Bays and Barrier Islands Subsection 313De Kaibab Woodland Subsection 332Df Southern River Breaks Subsection 211Ea St. Lawrence Glacial Marine Plain Subsection Province M334A Black Hills Section M242DgM242Df the National Hierarchical Framework of Ecological Units by: 222Rb Neilsville Plateau Subsection 232Lc FL Gulf Coast Flatwoods-Bays and Barrier Islands Subsection 313Df Kaibab Coniferous Forest Subsection 332Dg Dakota-Nebraska Eroded Tablelands Subsection M242Ae 242Af 342Id M333Ba 242Ae 211Eb St. Lawrence Till Plain Subsection M334Aa Black Hills Foothills Subsection M333Cc M242A Oregon and Coast Ranges Section M333Ad 211Ec Champlain Glacial Lake and Marine Plains Subsection 332E South Central Great Plains Section M334Ab Black Hills Plateau-Core Highlands Subsection M333Aa M333Cf 331Db 222U Lake Whittlesey Glaciolacustrine Plain Section M242Aa Coastal Lowlands and Uplands Subsection 315 Southwest Plateau and Plains Dry Steppe and Shrub Province 342Ib 211Ed Champlain Hills Subsection 234 Lower Mississippi Riverine Forest Province M333Ca 222Ua Western Paleozoic Plateau Subsection 332Ea Smokey Hills Subsection M242Ad 242Ab David T. Cleland; Jerry A. Freeouf; James E. Keys; Greg J. Nowacki; Constance A. Carpenter; W. Henry McNab M242Ac Low Olympics Subsection 242Ag M242Dh 342Ib 211Ab 211Ee St. Lawrence Glacial Lake Plain Subsection 222Ub Mad River Interlobate Plains Subsection 315A Pecos Valley Section 332Ef Eastern River Lowlands Subsection 341 Intermountain Semi-Desert and Desert Province M333Ad M333Bb 234A Southern Mississippi Alluvial Plain Section M242Ad Volcanics Subsection M333Ai 222Uc Maumee Lake Plain Subsection 315Aa Artesia Plains Desert Grass-Shrubland Subsection 332En Eastern Sand Sage-Mixed Prairie Subsection M242Af 342Ib 211F Northern Glaciated Allegheny Plateau Section 234Aa Southern Alluvial Plain Subsection M242Ae Outwash Subsection 341A Bonneville Basin Section 222Ud Southeast Lake Michigan Plains and Dunes Subsection 234Ad Baton Rouge Terrace Subsection 315Ab Pecos Valley Desert Shrubland Subsection 242Ah M242Ba 342Ia 342Ib M333Cb 211Aa 211Fa Cattaraugus Highlands Subsection M242Af Willapa Hills Subsection 332F South Central and Red Bed Plains Section 341Aa Subsection M242Bc 222Ue Saginaw Clay Lake and Till Plain Subsection 234Ah Macon Ridge Subsection 315Ad Chupadera High Plains Grassland Subsection 242Ai 342Ie M333Da USDA Forest Service 211Fb Central Allegheny Plateau Subsection M242Ag Mid-Coastal Sedimentary Subsection 332Fa Northern South Central and Red Bed Plains Subsection 341Ab Subsection M242Ad 331Da M211Aa M211Ab 211Fc Eastern Allegheny Plateau Subsection M242Ah Southern Coastal Mountains Subsection 332Fb Southern South Central and Red Bed Plains Subsection 234C Atchafalaya and Red River Alluvial Plains Section 315B High Plains Section 341Ac Needle-Wah Wah-Confusion Mountains Subsection 332Ae 211Fd Pocono Plateau Subsection 223 Central Interior Broadleaf Forest Province M242Ai High Olympics Subsection 332Fc Eastern South Central and Red Bed Plains Subsection 342Ig M333Bc 331Dh 331La Regions 234Ca Red River Alluvial Plain Subsection 315Ba Querecho Plains Grassland Subsection 341Ap Stansbury Range Subsection 242Ah 211Ff Glaciated High Plateau Subsection M333Cg 331Ea 315Bb Morrison High Plains Grassland Subsection 332Fd Canadian River Dune Belt Subsection 341Aq Canyon Subsection 331Ka 332Ab 223A Ozark Highlands Section 234Cb Atchafalaya Alluvial Plain Subsection M242B Western Section M242Bb M242Cb 315Bc Canadian River Canyon and Hills Woodland Subsection 341Ar Grassy-Lakeside-Hogup Mountains and Valleys Subsection M242Af 342Ib 332Aa Southern Research Station 211G Northern Unglaciated Allegheny Plateau Section 223Aa St. Francois Knobs and Basins Subsection 234Cc Teche Terrace Subsection M242Ba West Cascade Slope Forest Subsection M242Aa M333Ce 45∞0'0"N 223Ab Central Plateau Subsection 234Cd Opelousas Ridge Subsection 315Bd Caprock High Plains Grassland Subsection M331 Southern Rocky Mountain Steppe - Open Woodland - Coniferous 341As Great Salt Lake Basin Subsection M242Bc 331Af M333Ac M333Dc 211Ga Allegheny High Plateau Subsection M242Bb Western Cascades Forest Subsection M333Dd M333Db M333Ch 341At Subsection 342Ib 223Ac Osage River Hills Subsection M242Bc Cascade Crest Forest and Volcanic Peaks Subsection Forest - Alpine Meadow Province M242Ca 332Ad 212Mb Northeastern Area State and Private Forestry 211Gb Allegheny Deep Valleys Subsection 234D White and Black River Alluvial Plains Section 315C Rolling Plains Section 341Au Southern Salt Lake Mountains and Valleys Subsection 342Ie 222Na 223Ad Gasconade River Hills Subsection M242Be Southern Oregon Cascade Highlands Subsection 242Ba 331Kb 331Mf 211Bb 45∞0'0"N 234Da North Mississippi River Alluvial Plain Subsection 315Cb Eastern Rolling Plains Subsection M331A Yellowstone Highlands Section 341Av Northern Mountains and Valleys Subsection 331Ki 211I Catskill Mountains Section 223Ae Meramac River Hills Subsection M242Bg Southern Oregon Cascades Subsection M332Bh Washington Office M211Ac 234Db Crowley’s Ridge Subsection 315Cc Western Rolling Plains Subsection M331Aa Absaroka-Gallatin Mountains Subsection Portland 342Ig M332Bl 331Kj 211Ia Catskill Mountains Subsection 223Af Current River Hills Subsection 341Aw Sevier Desert Subsection M242Cc 212Lb 234Dc White and Black Rivers Alluvial Plain Subsection 315Cd Southwestern Rolling Plains Subsection M331Ab Pitchstone Plateau Subsection M242Ad 331Ac 331Kd 212Ma 211Ib Catskill Highlands Subsection 223Ag White River Hills Subsection M242C Eastern Cascades Section 341Ax -Western Mountains and Valleys Subsection M332Bp 212La 234Do St. Francis River Alluvial Plain Subsection 315Ce Central Rolling Plains Subsection M333De 332Ac 223Ah Hills Subsection M242Ca Yakima Plateau and Slopes Subsection M331Ac Throughfare Uplands Subsection 331Ai M332De 211Ba 341B Northern Canyonlands Section M332Gl 331Kh 211J Tug Hill Plateau-Mohawk Valley Section 223Ai Prairie Ozark Border Subsection M242Cb Grand Fir Foothills Subsection 315Cf South Central Rolling Plains Subsection M331Ad Absaroka Range Subsection 342Ig M332Bg M332Bf 211Ca 234E Arkansas Alluvial Plains Section 341Ba Mancos Shale Lowlands-Grand Valley Subsection 242Bd M332Df 2007 211Ja Black River Valley Subsection 223Aj Inner Ozark Border Subsection M242Cc -Oak Foothills Subsection M331Ae Falls River Subsection M242Ba 331Aa 212Le 234Ea Arkansas Alluvial Plain Subsection 315D Section 341Bb San Rafael Swell Subsection M332Ab 212Lc M211Af 211Cb 211Jb Tug Hill Transition Subsection 223Ak Outer Ozark Border Subsection M242Cd Ponderosa Pine-Bitterbrush Woodland Subsection M331Ag North Absaroka Range Subsection 331Md 234Eb Arkansas Grand Prairie Subsection 315Da Balcones Canyonlands Subsection 341Bc San Rafael Desert Subsection M332Be 211Jc Tug Hill Plateau Subsection M242Ce Pumice Plateau Forest Subsection M331Ah Beartooth Mountains Subsection 242Bb M332Db 331Me 212Na 212Sb 223Al Black River Ozark Border Subsection 234Ec Bastrop Ridge Subsection 315Db Western Edwards Plateau Subsection M332Gd M332Aa M332Bb 331Mh 251Aa 211Jd Mohawk Valley Subsection 341Bd Salt Anticline Benchlands Subsection 342Ic M332Gf 212Ld 223Am Springfield Plain Subsection M242Cf Cold Wet Pumice Plateau Basins Subsection M331Ai Absaroka Sedimentary Mountains Subsection 331Na 315Dc Subsection 341Be Dove Creek-Egnar Plains Subsection M332Dh 331Ke M242D Northern Cascades Section M331Aj South Absaroka Range Subsection M332Bd 212Lb 223An Springfield Plateau Subsection M332Ba 211Da M231 Ouachita Mixed Forest - Meadow Province M331Ak Absaroka-Gallatin Mountains Subsection 341Bf Capital Reef-Waterpocket Fold Subsection M332Gc M332Gk M332Ac M332Ab 212 Laurentian Mixed Forest Province 223Ao Mississippi River Alluvial Plain Subsection M242Da North Cascades Lowland Subsection 315E Rio Grande Plain Section M242Bb M332BjM332Dj 331Mf 212Nb M331Al Central Montana Broad Valleys Subsection 341Bg Northeast Flank Subsection 342Ha M332Gb 212Nd 223Ap Alluvial Plain Subsection M231A Section M242Db North Cascades Highland Forests Subsection 315Ea Coastal Sand Plains Subsection 342Ha M332Gk M332Bc 212Ya 212H Northern Lower Peninsula Section 341Bh Subsection M332Ge M211Ag 211Dc 223Aq Illinois Subsection M242Dd Pasayten-Sawtooth Highlands Subsection 315Eb Central Rio Grande Plain Subsection M331Am Gallatin Foothills- Subsection 332Aa 212Ra M211Ae 212Ha Oceana Sandy Lake Plains and Dunes Subsection M231Aa Fourche Mountains Subsection M242Cd M332Eg M332Dp 212Ya 212Sn 212Sq 315Ec Northwestern Rio Grande Plain Subsection M331Ap Madison Mountains Subsection 341Bj Canyon Lands Subsection M332Gm M231Ab West Central Ouachita Mountains Subsection M242De Okanogan Pine-Fir Hills Subsection 342Hc M332Gf M332Ao 212Rd 211Ea 212Hb Manistee Sandy Outwash Plain Subsection 223B Interior Low Plateau-Transition Hills Section M331Ar Beartooth Front Subsection 341Bk Subsection M332Gl 331Nb 331Mc 212Nc 212Jo M231Ac East Central Ouachita Mountains Subsection M242Df Chelan Tephra Hills Subsection 315Ed Northern Rio Grande Plain Subsection 342Hb M332Dc 212Ya 212Hc Interlobate End and Ground Moraines Subsection 223Ba Brown Hills Subsection 341Bm Subsection M242Ag M332Ap M332Ej M332Dk 331Kf 331Ea 212Rb M242Dg Wenatchee-Chelan Highlands Subsection 315Ef South Central Rio Grande Plain Subsection M331As Island Park Subsection M332All 212Jb 212Sc 212Hd Grand Traverse Ground Moraine Subsection M231Ad Athens Plateau Subsection 341Bn Hatch Point-Dry Valley Subsection M332Gb M332Gb M332Aj M332Ax M332Eee 223Bb Brush Creek Hills Subsection M332An M211Ba 211Ed M331At Pinyon Peak-Two Ocean Plateau Subsection M242Bc M332Ee M242Dh Chiwaukum Hills and Lowlands Subsection 315Eg Southeastern Rio Grande Plain Subsection 242Bd M332Gp 212Re 211Db 212He Kalkaska Sandy Moraines Subsection 223Bc Mitchell Karst Plains Subsection 341Bo North Uncompahgre Plateau Subsection M332Ebb 331Gi 212Re 211Ea 342Ha 342He M332Am 251Ab 212Hf Grand Traverse Drumlin Fields Subsection 251 Prairie Parkland (Temperate) Province M331B Bighorn Mountains Section 341Bp Uncompahgre Plateau Subsection M332Ej M331Am 212Jc M211Ad 223Bd Western Knobs Subsection 315F Northern Texas High Plains Section M332Fi 211Eb M211Ca 261 Coastal Chaparral Forest and Shrub Province M242Ba M332Gb M332Ekk 212Xq 212Hg Kirtland’s Warbler High Sand Plains Subsection 315Fb Canadian-Cimarron Breaks Subsection M331Ba Bighorn Mountains, Sedimentary Subsection 341Bq South Uncompahgre Plateau Subsection M332Ar M332Az 212Ka 212Xa 251A Section 342Hd M332Gl 212Xf M211Da 212Hh Gladwin Silty Lake Plain Subsection 223D Interior Low Plateau-Shawnee Hills Section M331Bb Bighorn Mountains, Granitic-Gneiss Subsection 222Ma 212Rc 251Aa Lake Agassiz Plain Subsection 261A Central California Coast Section 315Fc Red Prairie Subsection M242Aa M332Ehh 212Kb 221Al M332Ej M331Al M331Ar 331Nc 223Da Interior Western Coalfields Subsection M261Ax M332Al 212Hi Wolverine Moraines Subsection 341C Uinta Basin Section 342Ba M332Gh 212Hl M211Df 211Ec 251Ab Souris-Agassiz Stratified Fan Deposits Subsection 261Aa Suisun Hills and Valleys Subsection M332Ak M332Fg M332En 212Xb 212Xc 223Db Lower Ohio-Cache-Wabash Alluvial plains Subsection 315G Eastern Rolling Plains Section M331D Overthrust Mountains Section 341Ca Uinta Basin Subsection M242Cf M332Av M332Ep 331Gd 212Tb 212Hj Presque Isle Lake and Till Plains Subsection 261Ab East Bay Terraces and Alluvium Subsection 342Hd 342Dl M331Ap M331Aa 223Dc Outer Western Coalfields Subsection 315Ga Eastern Rolling Plains Subsection M331Da -Leidy Uplands Subsection M242Ah M242Bb M332As M332Enn 331Mi M211Dc 212Hk Alcona Gravelly Ice Contact Subsection 251B North Central Glaciated Plains Section 261Ac East Bay Hills-Mt. Diablo Subsection M332Eh M331Ah 211Ee 341D Mono Section M332Ai 223Dd Marion Hills Subsection M331Db Teton Range Subsection M332Ah M332Egg 331Gf M211Bc 212Hl Valders Red Till and Sandy Lake Plain Subsection 332Bc 212Hf 212Hj 251Ba Upper -Des Moines Lobe Subsection 261Ae Santa Clara Valley Subsection 315H Central Rio Grande Intermontane Section 341Da Carson Valley-Truckee Meadows Subsection M242Ce 212Te 212Hi 212Hm Clare Moraines Subsection 223De Crawford Uplands Subsection M331Dc Jackson Hole Subsection 342Dl M332Ej 212Xd 251Bb Outer Subsection 261Af Santa Cruz Mountains Subsection 342Bb 331Fu 332Ba 212Qa 212Tc 212Hf 341Db Pine Nut Mountains Subsection M211Bb 223Df Crawford Escarpment Subsection 315Ha Central Rio Grande Intermontane Subsection M331Dd Caribou-Snake River Range Subsection 342Ba 221Ak 251Bd Northwest Iowa Plains Subsection M261Ao M332Ad M332Abb M331Ak M242Bg M332Aaa 261Ag Leeward Hills Subsection 315Hb North Central Rio Grande Intermontane Subsection 341Dc Antelope-Mason Valleys and Hills Subsection M332Fh 222Mc 212Qb 211Ja M211Dd 212J Southern Superior Uplands Section 223Dg Southern Dripping Springs Subsection M331Df -Salt River-Gros Ventre Ranges Subsection M242Be 342Dk M211De M332Ae M332Er M331Ag M331Ba 212Hk 251Be Southern Des Moines Lobe Subsection 261Ah Watsonville Plain-Salinas Valley Subsection 341Dd Sweetwater Mountains-Pine Grove Hills Subsection M242Cf 342He M332Ez M331Ai 212Jb Gogebic-Penokee Subsection 223Dh Greater Shawnee Hills Subsection M331Di Cache Valley Subsection 342Bi 342Ba M332Ag 212Xe 251Bf Yankton Hills and Valleys Subsection M261Ay M332Af M331Ab 331Ma 261Aj North Costal Santa Lucia Range Subsection 342Hd M211Cd 212Jc Winegar Moraines Subsection M313 - New Mexico Mountains Semi-Desert - Open Woodland - M331Dk Portneuf Range Subsection 341De Bodie Hills-Excelsior Mountains Subsection M332At M332Ez 212Tf 223Di Lesser Shawnee Hills Subsection M261Av M331As 211Jc 261Ak South Costal Santa Lucia Range Subsection M332Au M332Ek 212Qc 212Ta 212Jo Ewen Dissected Lake Plain Subsection 341Df Mono Valley Subsection M261Av 342Bi 331Fd 223Dj Northern Dripping Springs Subsection 251C Central Section Coniferous Forest - Alpine Meadow Province M331Dm Southwestern Overthrust Belt Mountains Subsection M332Fd 331Ff 212He 261Al Santa Maria Valley Subsection 341Dh Crowley Flowlands Subsection M242Ah M332Ay M332Eb 342Ac 331Gg 331Fs 222Md 221Ai 251Ca Deep Subsection

M331Dn Northern Subsection 222La M211Cb 342Dd 212Qd M211Db 212K Western Superior Uplands Section 223E Interior Low Plateau-Highland Rim Section 341Di Benton-Upper Owens Valleys Subsection M331Ae 212Hg 211Jb M211Bd 251Cb Loess Hills Subsection

M332Fb 342Ad M313A White Mountains--Mongollon Rim Section M331Do Bear River Subsection M261Aa 331Fv 212Hd 221Bc 261B Southern California Coast Section M332Aq M332Aw M332Fc M331Bb 222Ie 212Ka Bayfield Sand Plains Subsection 223Ea Eastern Highland Rim Subsection M313Ab Mangas High Plains Grassland Subsection 341Dj White Mountains Subsection 342Dc M334Aa 251Cc Central Dissected Till and Loess Plain Subsection M331Dq Northern Wasatch Mountains Subsection M261Gc 332Ba 222Mb 221Bb 261Ba Santa Ynez Valleys and Hills Subsection M261Ab 342Di 212Kb Mille Lacs Uplands Subsection M331At M331Ac 332Bd Boston 223Eb Eastern Karst Plain Subsection M313Ac Burro Mountains Oak-Juniper Woodland Subsection M331Dr Front Wasatch Mountains Subsection 341Dk Fort Sage Mountains-Lemmon Valley Subsection M334Ab 251Ba 212Za 211Jd 251Cd Claypan Till Plain Subsection 261Bb Santa Ynez-Sulphur Mountains Subsection M261Da 342Bk M332Fa 221Aa 223Ec Outer Nashville Basin Subsection M313Ad Mogollon Mountains Woodland Subsection 341Dl Glass Mountain Subsection M261Ad M261Ae M261Gc 342Ba 251Ce West Mississippi River Hills Subsection M331Du Bannock-Malad-Pocatello Ranges Subsection M261Ga 342Bi 342Dm 222Rb 212L Northern Superior Uplands Section 261Bc Northern Channel Islands Subsection M331Db 222Ud 332Be 212Zb 223Ed Inner Nashville Basin Subsection M313Ae Mogollon Mountains Coniferous Forest Subsection 341Dm Range Subsection 263Ab 342Ch M331Ad 221Ah 251Cf Mississippi River and Illinois Alluvial Plains Subsection 261Bd Oxnard Plain-Santa Paula Valley Subsection M331Dv Southern Bear River-Wasatch Ranges Subsection M261Af 342Dh 222Lb 212Zc 212La Border Lakes Subsection M331DcM331Da M331Aj 223Ee Highland Rim-Hilly and Rolling Subsection M313Af White Mountains Scarp Woodland-Coniferous Forest Subsection 341Dn Wassuk Range Subsection M261Ag 342De 212Hh M211Cc 251Gg Missouri River Alluvial Plain Subsection M331Dw Wasatch Valleys and Hills Subsection 342Bl 332Bb 251Bb 212Hc 222Ic 212Lb North Shore Highlands Subsection 261Be Simi Valley-Santa Susana Mountains Subsection M261Dh 331Fs 212Hm 222Ib 223Ef Tennessee-Gasper Valley Subsection M313Ag White Mountains Woodland Subsection M331Dx Mt. Timpanogos-Southern Wasatch Front Subsection 222Ra 222Kc 221Ac 212Lc Laurentian Highlands Subsection 251Ch Southeast Iowa Rolling Loess Hills Subsection 261Bf Santa Monica Mountains Subsection 341E Northern Mono Section 342Bi M334Ab 331Fb 222Kb 212Hb 221Ab 223Eg Western Pennyroyal Karst Plain Subsection M313Ah White Mountains Coniferous Forest Subsection M331Dy Southern Wasatch Range Subsection M261Ah M261Db M261Ge M331Dd 212Ld Toimi Uplands Subsection 251Ci East Mississippi River Hills Subsection 261Bg Los Angeles Plain Subsection 341Ea Northwestern Basins Subsection M261Ap M261Di 222Lf 223Eh Penneroyal Karst Plain Subsection M313Ak Coconino Plateau Woodland Subsection M331Dz Strawberry Valley-Current Creek Subsection M261Df 342Cb 342Df 342Aa 331Fe 222Jf 211Ib 212Le Laurentian Highlands Subsection 251Cj Galesburg Dissected Till Plain Subsection 261Bh Southern Channel Islands Subsection M261Aa 221Af 341Eb Humbolt Ranges Subsection M261Aj M261Gb 342Bj 342Ca 342Dg 331Ge 221Ag M313Al Coconino Plateau Coniferous Forest Subsection 342Bj 222Ue 221Ab 251Ck Carlinville Dissected Till Plain Subsection 261Bi Coastal Hills Subsection 341Ec Stillwater-Northwestern Nevada Ranges Subsection 342Bb M331Df 342Fa 211Ia 223F Interior Low Plateau-Bluegrass Section M313Am San Francisco Peaks Coniferous Forest Subsection M331E Section M261Gg 342Cd 212Ha 222Id 212M Northern Minnesota and Ontario Section 251Cl Chariton River Hills Subsection M261Gf 223Fa Outer Bluegrass Subsection 261Bj Coastal Terraces Subsection M261Gd 342Cc 331Fh 332De M331Ea Kamas Uplands Subsection 263Ae M261Aq 342Db 212Ma Littlefork-Vermillion Uplands Subsection 251Cm Wyaconda River Dissected Till Plains Subsection 341F Southeastern Section 331Gb 222Lc 211Fb 223Fb Inner Bluegrass Subsection M313B Sacramento-Monzano Mountains Section M331Eb Western High Uintas Subsection 342Bl M331Ja 222Ld 212Mb Agassiz Lowlands Subsection 341Fa Silver Peak Mountains-Fish Lake Valley Subsection M261Ai 342Bi 223Fc Western Bluegrass Subsection 251D Central Till Plains and Grand Prairies Section 262 California Dry Steppe Province M313Ba Guadalupe Mountains Woodland Subsection M331Ec North Slope Uinta Mountains Subsection M261Dj 342Ge 342Fb 222Kd 222Ke 211Fa 263Af 341Fb Inyo Mountains Subsection M261Gl 331Fs 221Ba 221Ae 212N Northern Minnesota Drift and Lake Plains Section 223Fd Northern Bluegrass Subsection M313Bb San Andres Mountains Woodland Subsection M331Ed Clay Basin-Corson Peak Uplands Subsection M261Gi M331Dk 222Lf 251Da Green River Lowland Subsection 262A Great Valley Section 341Fc Saline Valley-Cottonwood Mountains Subsection M261Gj 222Jc 221Ad 223Fe Muscatatuck Flats and Valleys Subsection 331Ft 222Ja M261Ar M261Ac 342Ja 251Bf 212Na Chippewa Plains Subsection 251Db Western Grand Prairie Subsection M313Bd Manzano Mountains Woodland Subsection M331Ee Dutch John-Cold Spring Mountain Subsection M261Au M331Jb 342Fl 251Bd 262Aa North Valley Alluvium Subsection 341Fd Northern Amargosa-Grapevine Mountains Subsection 40∞0'0"N Milwaukee 211Fc 212Nb St. Louis Moraines Subsection 223Ff Scottsburg Lowland Subsection M313Bf Sacramento Mountains Woodland Subsection M331Eg Douglas Mountain Highlands Subsection M331Dm 332Da 251Dc Northern Grand Prairie Subsection 262Ac Sink-Sutter Basin Subsection 341Fe Cosa-Argus Ranges Subsection M261Dd 342Be 332Dd 212Nc Pine Moraine and Outwash Plains Subsection M313Bg Sacramento Mountains Coniferous Forest Subsection M331Eh Blue Mountain Highlands Subsection 342Ja 332Df 222Me 223G Central Till Plains-Oak Hickory Section 251Dd Eastern Grand Prairie Subsection M261Dl 222Jb 341Ff Panamint Range Subsection M331Du 262Ad Colusa Basin Subsection 341Ea 341Gb M331Do 211Ff 40∞0'0"N 212Nd Toimi Uplands Subsection 251De Southern Grand Prairie Subsection M331Ei Diamond Mountain Highlands Subsection M261Gm 341Gc 342Jb 342Fc 331Fj 223Ga Effingham Plain Subsection 262Af River Alluvium Subsection 341Fg Sarcobatus Flat Subsection M261Dm 342Fj 222Jg Detroit 211Ff 251Df Springfield Plains Subsection 321 Chihuahuan Semi-Desert Province M331Ej Little Mountain Subsection 222Ia 221An 212Q North Central Wisconsin Uplands Section 223Gb Mount Vernon Hill Country Subsection 262Ag Hardpan Terraces Subsection 341Fj South Central Nevada Valleys Subsection M331Di 332Dg 222Le 211Ga M261Cb 342Bd 342Jb 221Fa 221Bd 251Dg Kankakee Sands Subsection M331Ek Trout Creek Peak Highlands Subsection 222Je 211Fd 212Qa St. Croix Moraine Subsection 223Gc Lower Wabash Alluvial Plain Subsection 262Ah Yolo Alluvial Fans Subsection 321A Basin and Range Section 341Fk Pine Valley Mountains Subsection M261Ba M331Ic 331Fm 211Gb 221Dc 251Dh Kankakee Marsh Subsection 341Ga 341Ga M331El Johnny Star Flat Foothills Subsection M261Fa 341Eb 222Kf 223Gd Wabash Uplands Subsection 342Jb 212Qb Lincoln Formation Till Plain-Mixed Hardwoods Subsection 262Ai Yolo-American Basins Subsection 321Aa Highlands Subsection 341Fl Gabbs Range-Lone Valley Mountains Subsection M261Eb M331Dn New York M331Em West Fork Duchesne River-Soapstone Mountain Subsection M261Bb M341Ah 342Ea 342Ga 212Qc Lincoln Formation Till Plain-Hemlock Hardwoods Subsection 223Ge Southwest Indiana Glaciated Lowlands Subsection 262Aj Delta Basins Subsection 321Ab Trans-Pecos Isolated Mountain Ranges Subsection 341Fm Clover Delamar-Bull Valley Mountains Subsection M261Ed 342Fi 331Fn 222Kg 251E Section 342Eb 222Kh 262Al Delta Subsection 321Ac Trans-Pecos Desert Shrubland Subsection M331F Southern Parks and Rocky Mountain Range Section 341Fn Red Mountain Subsection 263Ag 262Aa M261Ea 342Bc 222Jh 212Qd Rib Mountain Rolling Ridges Subsection 251Ea Scarped Osage Plains Subsection M261Ee 341Ar 251Be 262Ao Camanche Terraces Subsection 341Fo South Central Nevada Ranges Subsection 341Ec 342Fg 331Fk 221Fb 221Am M221 Central Appalachian Broadleaf Forest - Coniferous Forest - Meadow 251Eb Cherokee Plains Subsection 321Ad Jornada Plains Desert Grass-Shrubland Subsection M331Fa Sangre de Cristo Subsection M261Ec 342Ec M341Ah 332Cb 222Ua 212R Eastern Upper Peninsula Section 262Aq Westside Alluvial Fans and Terraces Subsection 321Ae Sand Hills Subsection M331Fb Subsection 342Gc Province 341G Northeastern Great Basin Section 251Ha 212Ra Grand Marais Glaciofluvial-Moraine Complex Subsection 251F Section 262As Manteca-Merced Alluvium Subsection 342Bf 341Eb Chicago 321Af San Simon Valley Desert Shrubland Subsection M331Fc Wet Mountain Valley Subsection 342Bg 342Fk 212Rb Seney Lake Plain Subsection 341Ga Upper Northeeastern Valleys and Foothills Subsection M261Ca 251Fa Western Flint Hills Subsection M331Dq M331Dv 331Fr M221A Northern Ridge and Valley Section 262At San Joaquin Basin Subsection 321Ag Animas Valley Plains Desert Grass-Shrubland Subsection M331Ff Raton Basin Subsection M261Ef M341Di M341Aa 222Ki 262Ac M261Ei M341Dl 251Cg 222Uc 232Ac 341Gb Jarbridge Mountains and Foothills Subsection 262Ad M331Ha 212Rc Escanaba Lake Plain and Thin Till Subsection M221Aa Ridge and Valley Subsection 251Fb Eastern Flint Hills Subsection 262Au Granitic Alluvial Fans and Terraces Subsection 321Ah Animas Mountains Oak-Juniper Woodland Subsection M331Fg Sangre de Cristo Mountains Woodland Subsection 341Dk 341Ec M341Ai 341At 341As 332Cd 332Ca 332Ce M261Bd 342Gj 342Gd 342Gb 222Ja 221Ea 341Gc Tuscarora-Independence-Bull Run Mountains Subsection M341Ag 222Ji M221Ac 212Rd Rudyard Silty Lake Plain Subsection M221Ab Great Valley of Virginia Subsection 251Fc Southern Flint Hills Subsection 262Av Tulare Basin Subsection 341Ea M341Ah M341Ah M331Ec 342Fd 342Ff M221Ad 221Da 321Ai Sulphur Springs Desert Shrubland Subsection M331Fh Sangre de Cristo Mountains Coniferous Forest Subsection 341Ec M331Id 251Dc 212Re St. Ignace Lake Plain Subsection 251Ch 222Ub 221Fc M221Ac Northern Ridge and Valley Subsection 251Fd Northeastern Flint Hills Subsection 262Aw Panoche and Cantua Fans and Basins Subsection 321Aj Sulphur Springs Plains Desert Grass-Shrubland Subsection M261Ej M331Ed M331Iv 251Da 222Kj Philadelphia 342 Intermountain Semi-Desert Province 262Af 341Dm M331Ee 221Fa M221Ad Northern Great Valley Subsection 262Ax Antelope Plain Subsection 321Ak Sierra Madre Interior Chaparral Subsection M331G South Central Highlands Section 251Ca 251Dh 212S Northern Upper Peninsula Section M261Cc M261Eh 341Au M331Eb 222Je 232Ab 251H Nebraska Rolling Hills Section 262Ay South Valley Alluvium and Basins Subsection M331Gc Gunnison Basin-Black Canyon Subsection M261Eg M331Dr 251Hb 321Al San Rafael Sierra Madre High Plains Grassland Subsection 342A Bighorn Basin Section M341Di M331Ei 342Gf 331Hf 251Dg 212Sb Sisu Copper Range Subsection M221B Allegheny Mountains Section 251Ha Yankton Hills and Valleys Subsection M261Et M331Ea 332Cc 262Az Elk Hills and South Valley Terraces Subsection M331Gd San Juan Hills Subsection M261Bf M341Di 251Db 321Am Santa Catalina Mountains Encinal Woodland Subsection M341Dl M331Dw 212Sc Suomi Till and Outwash Plain Subsection 342Aa Owl Creek Mountain Subsection M331Ek M331Ha 222Ha M221Ba Northern High Allegheny Mountain Subsection 251Hb Lower Platte Valley Subsection M331Gf Hills and Plateaus Subsection M221Bf M341Di M341Ah M331Em M331El M331Ej 212Sn Keewenaw Coarse Till and Lake Plain Subsection 342Ac Northern Rocky Mountain Foothills Subsection 263Aj 263Am 262Ah M261El M341Dl M221Bb Western Allegheny Mountains Subsection 251Hc York Plains Subsection 263 California Coastal Steppe - Mixed Forest, and Redwood Forest 321B Stockton Plateau Section M331Gk Brazos Uplift Subsection 262Ag M331Eg 221Ee 221Db 212Sq Michigamme Highlands Subsection 342Ad Bighorn Basin Subsection 341Da M341Ah 342Gg 251Dd M221Bc Southern High Allegheny Mountains Subsection 251Hd Pawnee City-Seneca Rolling Hills Subsection 341Av 341Aq M331Iq M331Ib 321Ba Stockton Plateau Subsection M331Gm Jemez and San Pedro Mountains Coniferous Forest Subsection M261Fb 341Db M331Dz M331Io Province 262Ai 332Ca M221Bd Eastern Allegheny Mountain and Valley Subsection 341Ec M331Dx M331Eh 251Ci M331Gn West Subsection 341Ea 342B Northwestern Basin and Range Section 263Al M341Ag M221Be Western Allegheny Mountain and Valley Subsection 262Aj M341Be 341Ca 331Ha 331Ca 251Cf 255 Prairie Parkland (Subtropical) Province 263A Northern California Coast Section 322 American Semi-Desert and Desert Province M331Gq San Juan Mountains Central Subsection 342Ba Pluvial Lake Basins Subsection 341Ea M331Hb 332Cf 212T Northern Green Bay Lobe Section 341Dc M331Dy M331Iu M221Bb Baltimore M221Bf Allegheny Mountain Plateau Subsection M341Dj M331Gs San Juan Mountains South Central Subsection 261Aa 221Ed 212Ta Green Bay Lobe Stagnation Moraine Subsection 263Ab Northern Franciscan Redwood Forest Subsection 342Bb High Lava Plains Subsection M261Ek M341Ae M331Ir 255A and Prairie Section M261Em 322A Section San M261Er 341Dd 251Cc 263Ae Humboldt Bay Flats and Terraces Subsection M331Gu San Juan Mountains-Weminuche Wilderness Subsection 342Bc Honey Lake Basin-Pyramid Lake Basin Subsection 261Ac 262Al M341Dj M341Bf 251Hc 222Hd Columbus 212Tb West Green Bay Till Plain Subsection M221C Northern Cumberland Mountains Section 255Aa Cross Timbers-Cherokee Prairie Subsection Francisco 331He 251Cb 251Cj 232Ad 322Aa Owens Valley Subsection 341Dn 212Tc Athelstane Sandy Outwash and Moraines Subsection M331Gv San Juan Mountains-South San Juan Wilderness Subsection M341Ac 232Hd 263Af Central Franciscan Subsection 342Bd Cottonwood-Skedaddle Mountains Subsection 262Aj 341Dc M341Bc M221Ca Western Coal Fields Subsection 255Ab Central Cross Timbers Subsection 322Ab Death Valley Subsection 341Fj 331Hb 251Cm 263Ag Coastal Franciscan Subsection 342Be Madeline Plain Subsection M261Eh 341Aw M331Hd 222He 212Te Green Bay Sandy Lake Plain Subsection M221Cb Eastern Coal Fields Subsection 255Ac Central Red Rolling Prairie Subsection

M331It M331H North Central Highlands and Section 341De 341Fl 341Ba M331Is 222Hb 263Aj Coastal Hills-Santa Rosa Plain Subsection 322Ac -Pahrump Valley Subsection 262Ao M341Ba 331Cf 331Ce Washington 212Tf Door Peninsula Subsection M221Cc Black Mountains Subsection 342Bf Tule Peak-Pah Rah Range Subsection 341Ap M341Cr 251De 255Ad Southern Oklahoma Grand Prairie Subsection 322Ad Funeral Mountains-Greenwater Valley Subsection M331Ha Subsection 341Fj 341Ax M341Cs M262Aa 331Hc 261Ab 263Al Marin Hills and Valleys Subsection 342Bg Fox-Selenite-Sahwave-Truckee Ranges Subsection 341Df M341Ah 221Dd M221Cd Southern Cumberland Mountains Subsection 255Ae Cross Timbers and Central Rolling Red Prairie Subsection 322Ae Panamint Valley Subsection M331Hb Williams Fork Mountains and Hills Subsection M341Bb 251Cl 222Hf 212X Northern Highlands Section 263Am Mount St. Helena Flows and Valleys Subsection 261Af M261Eo M341Ad M331Hg 221Ec M221Ce Pine and Cumberland Mountains Subsection 342Bi High Desert- Subsection 341Fj M341Ct M331Ip 255Af Cross Timbers-Southern Oklahoma Subsection 322Af Searles Valley-Owlshead Mountains Subsection M331Hd Subsection San Jose 341Fo M341Bd M331Hf 251Hd 251Df 221Ef 232Hb 212Xa Glidden Loamy Drift Plain Subsection 342Bj Steens Mountain-Trout Creek Mountains Subsection M331Hl 221Ea 221De 255Am Central Tall Grass Pairie Subsection 322Ag High Desert Plains and Hills Subsection M331Hf Lower Roaring Fork Valley Subsection 341Dl M341Bg 341Ba M331Hh 251Cf 212Xb Northern Highlands Pitted Outwash Subsection M221D Blue Ridge Mountains Section 262As M262Ab 342Bk Forested Mountains Subsection M261Er 341Fj M261 Sierran Steppe - Mixed Forest - Coniferous Forest - Alpine Meadow 261Ag 332En M221Ba 322Ah Mojave Valley-Granite Mountains Subsection M331Hg Grande Hogback Subsection M341Ci M331Ih 331Cb 212Xc Brule and Paint Rivers Drumlinized Ground Moraine Subsection M221Da Northern Blue Ridge Mountains Subsection 342Bl Pueblo River-Upper Quinn River Valleys Subsection M341Ah M341Ck M331Hf 221Eg 255B Blackland Prairie Section 262Aq 341Dh 341Bb Province 322Ai Silurian Valley-Devil’s Playground Subsection M331Hh Hardscabble-Red and White Mountains Subsection 262At 341Fa 341Fj M331Ig 222Hc 212Xd Central-Northwest Wisconsin Loess Plains Subsection M221Db Central Blue Ridge Mountains Subsection 255Ba Blackland Prairie Subsection M221Da 232Hc 341Fj M331Hp 322Aj Kingston Range-Valley Wells Subsection M331Hl Divide and Plateau Creeks Uplands Subsection 212Xe Perkinstown End Moraine Subsection M221Dc Southern Blue Ridge Mountains Subsection M261A Klamath Mountains Section 342C Owyhee Uplands Section M341Cn 341Bo 331Ih 251Ce 251Ck 223Ge 223Ba 223Fe 223Fd 341Dj 341Fo M341Ag 232Ib M331Hm Break Subsection 261Ae 212Xf Hayward Stagnation Moraines Subsection 255C Oak Woods and Prairie Section 322Ak Ivanpah Valley Subsection 342Ca Owyhee Basalt Plain Subsection M331Ik 251Ci M221Dd Metasedimentary Mountains Subsection 331Cc 223Gd M261Aa Siskiyou Serpentine Subsection 262Ag M331Ij M221Aa M331Hn West Elks Subsection M261Fc 341Ab M341Cl 251Cd 212Xq Crystal Falls Till and Outwash Subsection 255Ca Texas Claypan Savannah Subsection 322Al Providence Mountains-Lanfair Valley Subsection 342Cb Salmon Falls Creek Subsection M341Cm 341Bc M331Hm M221Bc M261Ab Gasquet Mountain Ultramafics Subsection 261Ah M261Eq M331In M221Ab

341Ac M331Hn 251Fd 223Df 223Ff 255Cc Interior Savannah Subsection 322Am Piute Valley-Sacramento Mountains Subsection M331Hp Grand Mesa Subsection 342Cc Owyhee Tablelands Subsection 341Fj M331Iw 251Cg 223Ga M261Ac Oregon Mountain Subsection 341Di 341Fj 212Y Southwest Clay Plain Section M223 Ozark Broadleaf Forest Meadow Province 322An Lucerne-Johnson Valleys and Hills Subsection 342Cd Bruneau Plateau Subsection M262Ac 341Aa 341Bk 223Fa 255Cd Interior Blackland Prairie Subsection M262Ad M341Cg 341Bp M261Ad Siskiyou Mountains Subsection M331I Northern Parks and Ranges Section 261Aj M341Cf 212Ya Superior-Ashland Clay Plain Subsection 341Bf M223A Boston Mountains Section 255Ce Trinity Alluvial Valley Subsection 322Ao Bullion Mountains-Bristol Lake Subsection 342Ch Subsection 251Cb 231If M261Ae Klamath River Ridges Subsection M331Ib North Front Range Subsection 341Fd 341Fj M341Ch M331Il 331Cd 332Ea 221Eb 322Ap Pinto Basin and Mountains Subsection 262Ag M261Ep 331Ig M223Aa Boston Mountains Subsection 255Cf Blackland Prairie Subsection 341Bg M331Ii 221He M221Bd M262Af 262Aw 341Fb M341Ce 331Ie 223Ak 223Bc 212Z Green Bay-Manitowac Upland Section M261Af Lower Salmon Mountains Subsection M331Ic North Subsection 342D Snake River Basalts and Basins Section 262Au 341Fm M341Cc 255Cg Southern Texas Claypan Savannah Subsection 322Aq Saint George Basin Subsection 341Fg 341Fj 341Bm M331Gc 223Ak M223Ab Boston Hills Subsection 221En 341Bn 341Bd 212Za Outagamie Loamy Till and Silty Lake Plain Subsection

341Bj 223Gc M261Ag Upper Salmon Mountains Subsection M331Id South Laramie Mountains Subsection 342Db Southern Idaho Terraces Subsection 331Ii 251Fa 255Ch Timberlands-Cross Timbers Subsection 322Ar Spring Mountains Subsection M341Cd 223Ap 223Fc M261Ah Scott Valley Subsection 341Fc 322Ay 341Bq 223De 212Zb Green Bay Clayey and Silty Lake Plain Subsection M331Ig Mosquito- Subsection 342Dc Lost River Valleys Subsection M331Gf 322As Subsection 341Fk M341Cj 223Ak 231 Southeastern Mixed Forest Province M261Ai Eastern Klamath Mountains Subsection 262Ag 341Fn M341Cb 223Ai 223Aj 231Ic 212Zc Manitowoc Till Plain Subsection 255D Central Gulf Prairie and Marshes Section M331Ih Platte River Subsection 322Aa M331Gd 223Fb 221Hb 322At South Virgin River Peak Ridges and Fans Subsection 342Dd Eastern Idaho Plateaus North Subsection 313Ae 341Bh 341Be 223Gd M221Ca 231Ib M261Aj Upper Scott Mountains Subsection M331Ii Northern Arkansas Granitics-39 Mile Mountain Subsection M221Be 255Da Texas Coastal Prairie Subsection 322Au Hualapai Valley Desert Shrubland Subsection 342De Snake River Plains-Lava Fields Subsection 322Ab 322Ay 313Aj M331Gu M331Fb 223Gb 223Dc 231A Southern Appalachian Piedmont Section M261Ao Inland Siskiyous Subsection M331Ij South Park Subsection 322Aq 223Ge M211 Adirondack-New England Mixed Forest - Coniferous Forest - 231Aa Midland Plateau Central Uplands Subsection 255Db Brazos and Brazonia Alluvial Valley Subsection 322Av Hualpai Mountains Desert Grass-Shrubland Subsection 342Df Snake River Lava Plains and Buttes Subsection 262Av 221Ej 223Aq M221Cb M261Ap Forks of Salmon Subsection M331Ik Subsection 342Dg Blackfoot Mountains Subsection 223Aj Alpine Meadow Province 231Ab Piedmont Ridge Subsection 255Dc Marshes-Inlands Bays-and Barrier Islands Subsection 322Aw Aubrey High Plains Grassland Subsection 322Ac 322As 313Ai 313Ah 313Ac 331If 223Ab M261Aq North Subsection M331Il Upper Arkansas Valley Subsection M262Ag 322Az 223Ac 223Db 223Bd 255Dd Southern Texas Coastal Prairie and Savannah Subsection 342Dh Craters of the Moon Subsection M262Ah 341Fe 313Ad M331Fc 251Fb 223Gd 231Ac Schist Plains Subsection 322Ax Woodland Subsection 313Aq M331Gn M261Ar Trinity Mountain-Hayfork Subsection M331In - Subsection 261Ak 322Ay 313Ac M331Gq 331Ja 251Ea 223Ae 221Ha 232Ib M211A White Mountains Section 322Ay Black Mountains Woodland Subsection 342Di Mountain Home Uplands Subsection Subsection 35∞0'0"N M261Eu 341Ff 223Ao 223Dj M221Aa 231Ad Lower Foot Hills Subsection M261Au Rattlesnake Creek Subsection 262Ax 313At 332Ef M211Aa International Boundary Plateau Subsection 255E Texas Cross Timbers and Prairie Section M331Io North Park Subsection 342Dk Treasure Valley Subsection 322Ae M331Gs 331Be 231Ae Charlotte Belt Subsection 322Az Coniferous Forest Subsection M262Ae 322Ar 313Ag 313Ab 251Eb 232Ha 255Ea Red River Alluvial Plain Subsection M331Gv 223Da 231Ig M211Ab St. John Upland Subsection M261Av Rogue-Illinois Valleys and Foothills Subsection M331Ip Indian Peaks-Williams Mountains Subsection 342Dl Alkaline Foothills Subsection 262Ay 313Ak 35∞0'0"N 231Af Carolina Slate Subsection M261Ax Umpqua Interior Foothills Subsection 322Ay 313Ar 313Aa 223Ad 223Ak 223Dh 223Bb 221He M221Ce M211Ac Maine Central Mountains Subsection 255Eb Western Cross Timbers Subsection 322B Section M331Iq Zirkle Range Subsection 322At 313Al M221Db 232Ib 231Ag Schist Hills Subsection 342Dm Mt. Bennett Hills-Camas Prairie Subsection 262Ag 331Ia M331Fa 331Ba 223Aa M211Ad White Mountains Subsection 255Ec Southwestern Cross Timbers Subsection M261Ay Coastal Siskiyous Subsection M331Ir Subsection M261Fd 322Ad 331Ii 231If 322Ba Cadiz-Vidal Valleys Subsection 313An 313Be 223Di 231Ah Granite Hills Subsection 313Ap 232Ia 255Ed Texas Grand Prairie Subsection M262Ak 322Af 223Ab 223Dd M211Ae Mahoosic Rangely Lakes Subsection M331Is Middle Park Subsection 342E Bear Lake Section 261Al M262Ai M331Ff 223Dc 322Bb Palen-Riverside Mountains Subsection 313Ap 313Ap 331Jc 231Ai Opelika Plateau Subsection M261B Northern California Coast Ranges Section M261Er 313Ao 313Ap 332Fa M211Af Connecticut Lakes Subsection 255Ee Texas Eastern Cross Timbers Subsection M331It Winter Park Subsection 342Ea West Bear River Divide Subsection 262Az 223Aq 231Hg M221Ab 322Bc Chuckwalla Valley Subsection M262Aj 313As 223Ea M221Cc 231Aj Mica Rich Plateau Subsection M261Ba Eastern Franciscan Subsection 342Eb East Bear River Divide Subsection 331Jb M211Ag Western Maine Foothills Subsection 322Bd Palo Verde Valley and Mesa Subsection M331Iu Park-Sierra Madre Ranges Subsection M261Es 322Ay 313Bc M331Gk 232Ib M261Bb Central Franciscan Subsection 313An 313Am M331Fg 223Am 231Ia M331Iv Subsection 342Ec Overthrust Belt Channeled Hills Subsection 261Ba 313Aq 223Af 231Hf 223Dg 231B Coastal Plains-Middle Section 411 Everglades Province 322Be Chocolate Mountains and Valleys Subsection 223Al 223Aq M221Ce M211B New England Piedmont Section M261Bd Clear Lake Hills and Valleys Subsection 322Az 331Bc 255Am 322Bf Gila Bend Plain Desert Shrubland Subsection M331Iw Subsection 322Ah 322Aj 231Ba Black Belt Subsection M261Bf Ultrabasic Complex Subsection 342F Central Basin and Hills Section M261Fe 313Db 332Fc M211Ba Northern Piedmont Subsection 411A Everglades Section 322Bh Gila Bend Low Mountains Desert Cactus-Shrubland Subsection 322Aw 313Df 231He 231Bb Interior Flatwoods Subsection M331J Wind River Mountains Section 342Fa Western Wind River Basin Subsection 322Ag 234Db 223Eh M211Bb Southern Piedmont Subsection 411Ab Everglades Subsection 261Bb M262Ba 231Ic 231Id 231Bc Upper Clay Hills Subsection M261C Northern California Interior Coast Ranges Section 342Fb Eastern Wind River Basin Subsection M262Bb 322Ak 322Av M211Bc Sunapee Uplands Subsection 411Ac Southern Slope Subsection 322C Section M331Ja Wind River Mountains Subsection 322Ax 313Ba 313Bd 234Da 221Jc 231Bd Upper Loam Hills Subsection M261Ca Western Foothills Subsection 322Ai 313De 223Ag M221Cd 231Ie M211Bd Hillsboro Inland Hills and Plains Subsection 411Ad Atlantic Coastal Ridge Subsection 322Ca Coachella Valley Subsection M331Jb Wind River Mountains Flatirons Subsection 342Fc Granite Mountains Subsection 313Da 331Bd 223Ec 221Hc 231Be Transition Loam Hills Subsection M261Cb Tehama Terraces Subsection 313Ac 411Ae Coastal Lowlands-Tidal Marshes and Bays Subsection 322Cb Borrego Valley-West Mesa Subsection 342Fd Saratoga Basin Subsection M262Bc 322Au 221Ja 232Ia 232Ib 231Bf Floodplains and Terraces Subsection M261Cc Dunnigan Hills Subsection 251Fc 223Ah 231Hd M211C Green, Taconic, Berkshire Mountains Section 322Cc Imperial Valley Subsection M332 Middle Rocky Mountain Steppe – Coniferous Forest - Alpine 342Ff Laramie Basin Subsection 261Bd 322Al M313Ak 313Db M331Fg 231Bj Jackson Hills Subsection 411Af Big Cypress Spur Subsection 261Be M262Bd M331Gm 223Ab 223Eb M211Ca Northern Green Mountain Subsection 342Fg Hanna Basin-Rawlins Uplift Subsection 322Ax 331Jd M261D Southern Cascades Section 322Cd East Mesa-Sand Hills Subsection Meadow Province 322An 255Ac M211Cb Taconic Mountains Subsection 231Bk Northern Pontotoc Ridge Subsection 322Ce Cactus-Shrubland Subsection 342Fi Shirley Basin Subsection 261Bf M262Be M221Dc 231Bl Jackson Prairie Subsection M261Da Old Cascades Subsection 322Av 313Dc 332Fd M211Cc Berkshire-Vermont Upland Subsection M332A Idaho Batholith Section 342Fj Bates Hole Subsection 261Bc Los 322Am 223An Charlotte M261Db Shasta Valley Subsection Angeles 322Ao 223Ed M211Cd Southern Green Mountain Subsection M332Aa Lochsa-Salmon Breaklands Subsection 342Fk Sage Creek Basin-Severson Flats Subsection M262Bh M313Al 315Bd M221Dd 231C Southern Cumberland Plateau Section M261Dd Blacks Mountain-Susanville Peak Subsection 331 Great Plains - Palouse Dry Steppe Province M262Bj 313Cb 255Aa 223An 234Dc 342Fl Rattle Snake Hills Subsection 261Bg 313Cd 315Hb M331Fh 315Fb 232Jb M211D Adirondack Highlands Section 231Ca Shale Hills and Mountain Subsection M261Df High Cascade Subsection M332Aaa Cabin Creek Peak Subsection M223Aa 223Eg 221Jb 231Cb Sandstone Plateau Subsection M261Dh Medicine Lake Lava Flows Subsection 331A Palouse Prairie Section M332Ab Central Idaho Glaciated Mountains Subsection M262Bg 234Do M211Da Adirondack Hills and Flats Subsection 342G Green River Basin Section 221Hd 331Aa Camas-Weippe Basalt Plateaus Subsection M332Abb Stanley Basin-Sawtooth Valley Subsection M262Bi 313Bp 231Ha M211Db Western Adirondack Foothills Subsection 231Cc Table Plateau Subsection M261Di Medicine Lake Highlands Subsection 342Ga Green River Basin Subsection 322Ba 313Ca 313Db 313Bp 332Fb 331Ac Lower Snake and Clearwater Canyons Subsection M332Ac Central Idaho Mountains and Basins Subsection M262Bk 322Bh 255Ab 223Ec M211Dc Adirondack Highlands and Lakes Subsection 231Cd Sandstone Mountain Subsection M261Dj Hat Creek Rim Subsection 342Gb Great Divide Basin Subsection 313Cc 313Bo M313Bd M223Ab 232Cb 331Af Palouse Hills Subsection M332Ad South Fork Payette Canyon and Stream Cut Lands Canyon Subsection 322Ap 232Ca M211Dd Central Adirondack Mountains Subsection 231Ce Moulton Valley Subsection M261Dl Shingletown-Paradise Subsection 342Gc Rock Springs Uplift Subsection M262Bf Oklahoma 234Db 231Ad 331Ai Deep Loess Foothills Subsection M332Ae Upper Middle Fork Boise River Subsection 261Bh M211De Eastern Adirondack Low Maintains Subsection 231Cf Southern Cumberland Valleys Subsection M261Dm Lassen-Almanor Subsection 342Gd Washakie Basin Subsection M262Bm 313Ca 315Fc City M332Af Boise Basin Lands Subsection M262Bl 322Bb M313Af 315Ha 315Bc 231Bk 232Ib M211Df Adirondack Peaks Subsection 231Cg Sequatchie Valley Subsection 331B Southern High Plains Section 342Ge Upper Green River Basin Subsection 231Ga Memphis 231Be M261E Sierra Nevada Section M332Ag Boise Ridge Subsection 322Ca 322Bh 313Bs 232Jb 342Gf Muddy Creek-Little Snake River Valleys Subsection 322Bc 231Gc 231Gb 223Ee 231Ae 232Cg 231D Southern Ridge and Valley Section M261Ea Diamond Mountains-Crystal Peak Subsection 331Ba Sand Hill-Ogolla Plateau Subsection 261Bi 255Ac M332Ah Middle Fork Payette Canyon and Stream Cut Lands Subsection 231Da 232Ja 221 Eastern Broadleaf Forest Province 231Da Chert Valley Subsection M261Eb Fredonyer Butte-Grizzly Peak Subsection 331Bc Tablelands- Subsection 342Gg Axial Basin High Subsection 322Bd 223Ef M332Ai Bear Valley, Landmark Basin and Uplands Subsection 313Cd 231Cg 231Af 331Bd Sandy-Smooth High Plains Subsection 342Gj Flaming Gorge Canyon Lands Subsection M262Bn 231Cd 231Dc 231Ag 231Db Sandstone-Shale and Chert Ridge Subsection M261Ec Frenchman Subsection M332Aj Ant Butte-Meadows Valley Subsection 315Ad M231Aa 221A Lower New England Section 331Be Western Arkansas River Lowlands Subsection 322Bh M313Ag M313Ad 231Dc Sandstone Ridge Subsection M261Ed Greenville-Graeagle Subsection M332Ak Long Valley Basin Subsection 261Bj M262Bp 322Be 231Cc 221Aa Boston Basin Subsection 342H Blue Mountain Foothills Section 234Eb 231Ce 231Dd Quartzite and Talladega Slate Ridge Subsection M261Ee Bucks Lake Subsection 322Bh 322Bh 221Ab Cape Cod Coastal Lowland and Islands Subsection 331C Central High Tablelands Section M332Al Long Valley Foothills Subsection 342Ha John Day-Clarno Uplands Subsection San 231Ab 322Cc 313Cc M313Ah M313Am 255Ae 231Hb 231De 231De Shaley Limestone Valley Subsection M261Ef Granitic and Metamorphic Foothills Subsection M332All Chamberlain Basin Subsection Diego M262Bo 322Cb 221Ac Narragansett-Bristol Lowland and Islands Subsection 331Ca Nebraska Subsection 342Hb Deschutes River Valley Subsection Phoenix M231Ab M231Ac 231Cb 232Jc M261Eg Upper Foothills Metamorphic Belt Subsection M332Am Fitsum Peak Glaciated Lands Subsection 322Bh 231Cf 221Ad Southern New England Coastal Lowland Subsection 331Cb West Ogallala High Plains Subsection 342Hc John Day River Valleys Subsection 322Cd 313Cc 313Cc 231E Mid Coastal Plains-Western Section M261Eh Upper Batholith and Volcanic Flows Subsection M313Ae 231Aa 221Ae Hudson Highlands Subsection 331Cc Central Ogallala High Plains Subsection M332An Bruin Mountain Subsection 342Hd Semi-Arid Foothills Subsection 255Ad 234Ea 231Ea South Subsection 313Ca M313Bf 221Af Lower Connecticut River Valley Subsection M261Ei Sierra Valley Subsection 331Cd South Ogallala High Plains Subsection M332Ao Salmon River Canyon lands Subsection 342He Powder-Burnt River Valleys Subsection 322Bf M231Ad 232Ca 231Eb Southwestern Arkansas Subsection 231Ac 232Je 221Ag Southeast New England Coastal Hills and Plains Subsection M261Ej Tahoe-Truckee Subsection M332Ap Copper Mountain-Point of Rock Subsection 322Bf M313Ae 255Ac 255Af 231Ee 231Da 231Ec Ouachita Alluvial Valleys Subsection 331Ce Western Sandsage-Mixed Pairie Subsection M313Ae 231Ea 231Db M261Ek Glaciated Batholith and Volcanic Flows Subsection M332Aq Danskin Mountains and Valleys Subsection 342I Columbia Basin Section M313Ag 234Da 231Dd 221Ah Worcester-Monadnock Plateau Subsection 331Cf South Arikaree High Plains Subsection 322Ce M313Bg 232Jg 231Ee Southern Oklahoma Subsection Subsection M261El Tahoe Valley Subsection M332Ar Big Horn Crags Subsection 342Ia Missoula Flood Subsection 315Ba 231Eb 231Ca 221Ai Gulf of Maine Coastal Plain Subsection 231Ef Transition Subsection 231Ba 232Cb M261Em Batholith and Volcanic Flows Subsection 331D Northwestern Glaciated Plains Section M332As Stanley Uplands Subsection 342Ib Missoula Flood Loess Islands Subsection 322Bh 321Ai 321Ak 255Ea 231Da 221Ak Gulf of Maine Coastal Lowland Subsection 231Eg Sand Hills Subsection M261Eo Glaciated Batholith Subsection 331Da Rocky Mountain Front Foothills Subsection M332At Subsection 342Ic Umatilla Plateau Subsection 231Aj 221Al Sebago-Ossipee Hills and Plains Subsection M313Ab 231Ek 231Ej South Central Arkansas Flatwoods Subsection 321Ae 315Ab M261Ep Lower Batholith Subsection 331Db Montana Isolated Mountain Ranges Subsection M332Au Middle and South Forks Boise River Subsection 342Id Okanogan Draift Hills Subsection 322Bh 231Dc 221Am Reading Prong Subsection 321Af 231Ej 231Ek Southwestern Arkansas Blackland Prairie Subsection DEVELOPMENT OF THE NATIONAL MAP M261Eq Upper Batholith Subsection 342Ie Missoula Flood Slackwater Basins Subsection M313Ac M313Ad 231Eo 231Bf 221An Long Island Coastal Lowland and Moraine Subsection 331Dh Montana Glaciated Plains Subsection M332Av Weiser River Valley and Uplands Subsection 322Bh M313Bb 231Eo Red River Alluvial Plain Subsection M313Bg 315Cc 231Bd 231Ai M261Er Eastern Slopes Subsection M332Aw Soldier Mountain Foothills Subsection 342Ig Yakima Folds Subsection 321Am 321Ad 232Jd 232Je 232Cg 232Ce 315Aa 234Ec This map and accompanying descriptions (McNab and others 2007) were developed through 331E Northeastern Glaciated Plains Section 322Bh 321Am 315Ce 231Ha 231Ab 232Ja 221B Hudson Valley Section M261Es Tehachapi-Piute Mountains Subsection M332Ax Upper Salmon River Canyonlands Subsection 342Im Okanogan Valley Subsection 321Ak 231G Arkansas Valley Section participation with numerous individuals from federal and state agencies and non-governmental 331Ea Missouri Coteau Subsection 315Aa 231Ec 221Ba Hudson Limestone Valley Subsection M261Et Carson Range Subsection M332Ay South Fork Boise River Uplands Subsection 231Bc 231Ga Eastern Arkansas Valley and Ridges Subsection 342J Eastern Basin and Range Section 231Ah 232Ca 221Bb Taconic Foothills Subsection organizations using criteria defined in the National Hierarchical Framework of Ecological Units M261Eu Kern Plateau Subsection 231Ek 231Bf 231Gb Subsection 331F Western Great Plains Section M332Az Panther Creek Mountain Subsection 255Ba (Cleland and others 1997). Delineation generally involved the “top-down approach” of subdividing M261Ev Tahoe Valley Subsection 342Ja South Central Idaho Ranges Subsection 221Bc Hudson Glacial Lake Plains Subsection 231Gc Western Arkansas Valley and Ridges Subsection 321Aj 231Bd 231Ba section level units (Bailey and others 1994). A “bottom-up approach” was used where landscape 331Fb Shale Scablands Subsection 321Ak 255Eb 232Je M332B Northern Rockies and Bitterroot Valley Section 342Jb Curlew-Bear River-Blue Creek Valleys Subsection 231Ej 231Ea 221Bd Kittatinny-Shawangunk Ridges Subsection 30∞0'0"N 321Ag 255Ee level units had been developed. Additional information is available on the process used for M261F Sierra Nevada Foothills Section 331Fd Missouri Plateau Subsection M332Ba Bitterroot Glaciated Canyons Subsection 321Aj 321Am 231Bb 232Je 231H Coastal Plains-Loess Section 322Bh 315Ga Fort 221D Northern Appalachian Piedmont Section delineation of map units (Keys and others 2007). Subsection maps were compiled at scales of M261Fa Tuscan Flows Subsection 331Fe Missouri Breaks Subsection M332Bb Bitterroot-Frenchtown Valleys Subsection M341 Nevada-Utah Mountains Semi-Desert – Coniferous Forest - Alpine 231Bf 231Ha Deep Loess Hills and Bluffs Subsection 331Ff Dense Clay Prairie Subsection Worth 255Ch 231Hc 231Ba 232Jg 30∞0'0"N 221Da Gettysburg Piedmont Lowland Subsection 1:500,000 and 1:1,000,000, recompiled and joined at a scale of 1:1,000,000 and presented at a M261Fb Lower Foothills Metamorphic Belt Subsection M332Bc South Anaconda-Bitterroot Mountains Subsection 321Am 231Eg 231Ba 231Hb Northern Loessial Hills Subsection 331Fh White River Badlands Subsection Meadow Province 321Am 234Ah Albers Equal Area Projection 221Db Piedmont Upland Subsection scale of 1:3,500,000. M261Fc Lower Granitic Foothills Subsection M332Bd Anaconda/Flint Creek Mountains Subsection 321Am M313Ba 315Bb 231Bl 231Hc Deep Loess Plains Subsection 331Fj Escarpment Subsection 231Bc 221Dc Newark Subsection M261Fd Southern Granitic Foothills Subsection M332Be Flint Creek-Upper Willow Creek Basins Subsection M341A East Great Basin and Mountains Section 231Bj 232Bm 231Hd Clay Hills Subsection 331Fk High Plains Subsection 321Al 321Am 315Cf 232Jf 1:3,500,000 221Dd Triassic Basins Subsection Significant national, regional, and state level information sources include: Geologic M261Fe San Emigdio Mountains Subsection M341Aa Northern Ruby Mountains Subsection 321Ah 232Cf 232Cb 231He Northern Deep Loess Hills and Bluffs Subsection M332Bf Continental Divide Foothills Subsection 321Ah 331Fm Hartsville Uplift Subsection El Paso 221De Northern Piedmont Subsection Atlas of the United States, US Geological Survey; State Soil Geographic Data Base, Natural M332Bg Garnet-Sapphire Mountains Subsection M341Ac Mount Moriah Range Subsection 255Ec 255Ed 231Ea 232Bn 231Hf Ohio and Cache River Alluvial Plain Subsection M261G Modoc Plateau Section 232Bl 0 50 100 200 300 400 Resources Conservation Service; and Subregions, Environmental Protection Agency; 331Fn West Nebraska Sandy and Silty Tablelands Subsection M332Bh Whitefish-Swan Mountains Subsection M341Ad Southern Snake Range Subsection 232Ca 231Hg Hills Subsection

321Ah 221E Southern Unglaciated Allegheny Plateau Section M261Ga Klamath Lake Basins and Juniper Foot Subsection 331Fr Goshen Hole Subsection 232Bl Hammond’s Classes of Land Surface Form, US Geological Survey; State Natural Heritage Maps M332Bj Deerlodge Valley Subsection M341Ae Schell Creek and Deep Creek Ranges Subsection 232Bo Miles 221Ea Pittsburg Low Plateau Subsection 231Hh Southern Loessial Plains Subsection M261Gb Devil’s Garden Subsection 331Fs Northern Rolling Pierre Shale Plains Subsection 232Ff 232Fa 232Ce and Classifications; Physiographic Maps; Land Cover types; and State Natural Habitat Regions. M332Bl Clark Fork Valley and Mountains Subsection M341Ag East Great Basin Ranges and Mountains Subsection 321Ae 221Eb Teays Plateau Subsection 231Hi Delmarva Upland Subsection M261Gc Fremont Pine-Fir Forest Subsection 331Ft Keya Paha Tablelands Subsection 321Ac 234Aa 232Ba 0 75 150 300 450 600 M332Bp Avon-Nevada Valleys Subsection M341Ah East Great Basin Valleys Subsection 315Cd 315Cb 232Bp 221Ec Ohio Valley Lowland Subsection M261Gd Big Valley Subsection 331Fu Missouri Plateau Subsection 231Hh 232Bk 232Cc 231I Central Appalachian Piedmont Section This map represents the first approximation of an effort to develop units that integrate, in an M341Ai East Great Basin Hills Subsection 232Fe Kilometers 221Ed East Hocking Plateau Subsection M261Ge Goose Lake Basin Subsection 331Fv River Breaks Subsection M332D Belt Mountains Section 231Ia Midland Plateau Central Uplands-North Subsection ecologically meaningful way, information from individual disciplines, single-purpose maps and 231Hi 232Cd 221Ee Unglaciated Muskingam Plains Subsection M261Gf Warner Mountains Subsection M332Db Little Belt-Snown-Judith Moutains Subsection M341B Tavaputs Plateau Section 232Bj 232Bi 231Ib Lynchburg Belt Subsection existing regionalizations. This process highlighted the need for continued efforts to overcome 331G Powder River Basin Section 255Ca 221Ef Western Hocking Plateau Subsection M261Gg Pit River Valley Subsection M332Dc Crazy Mountains Subsection M341Ba Tavaputs Plateau South Uinta Basin Subsection 321Ab 232Bs 231Ic Charlotte Belt-North Subsection geopolitical and administrative bias in primary data sources. Development of ecological units is 331Gb Casper Arch-Buffalo Creek Subsection 221Eg Lower Scioto River Plateau Subsection an iterative process that will progress as additional information becomes available and from peer M261Gi Likely Mountain Subsection M332De Big Belt Foothills Subsection M341Bb -Paradox Basin Subsection 232Bj Jacksonville 231Id Carolina Slate-North Subsection 255Cc 255Ce 231Ef 232Fe 232Fa 232Bh 232Bj 221Ej Eastern Knobs Transition Subsection M261Gj Big Valley Mountains Subsection 331Gd Wolf Mountains Subsection M332Df Continental Divide Foothills Subsection M341Bc Pieance Basin Subsection 232Ba 231Ie Southern Triassic Uplands Subsection review and comments by users of this map. 234Ca 232Bg 221En Kinniconick and Licking Knobs Subsection M261Gl Adin Mountains and Valleys Subsection 331Ge Powder River Basin Subsection M332Dh Big Belt Mountains Subsection M341Bd Upper Tavaputs Plateau Subsection 231If Western Coastal Plain-Piedmont Transition Subsection 331Gf Southern Powder River Basin-Scoria Hills Subsection 321Ab ECOLOGICAL UNITS LITERATURE CITED M261Gm Eagle Lake-Observation Peak Subsection M332Dj Boulder-Elkhorn Mountains Subsection M341Be Semiarid Benchlands and Canyon Lands Subsection 221F Western Glaciated Allegheny Plateau Section 231Ig Triassic Uplands Subsection

331Gg Dissected High Plains Subsection 232Bc 232Ka 232Gb M332Dk Central Montana Broad Valleys Subsection M341Bf Semi-Arid Hills and Low Mountains Subsection 221Fa Allegheny Plateau Subsection 331Gi Snowy Foothills Subsection 232Lb 232Bg Bailey, R.G.; Avers, P.E.; King, T.; McNab, W.H.; eds.1994. Ecoregions and subregions of the M262 California Coastal Range Coniferous Forest - Open Woodland - M332Dp Bridger Mountains and Foothills Subsection M341Bg Book Cliffs- Subsection 315Dc 232Fa 232Fc 234Ad 232Lb 232Lc Boundaries 221Fb Grand River-Pymatuning Lowlands Subsection 232 Outer Coastal Plain Mixed Forest Province 255Ba United States (map). Washington, D.C.; U.S. Geological Survey. Scale 1:7,500,000; colored. 232Fb 232Ga 221Fc Akron Kames Subsection Shrub - Meadow Province 331H Central High Plains Section M332E Beaverhead Mountain Section M341C Utah High Plateau Section 321Ba 315Db 232La 232A Northern Atlantic Coastal Plain Section

331Ha Southern Denver-Julesburg Basin Subsection 234Cd Cleland, D.T.; Avers, P.E.; McNab, W.H.; Jensen, M.E.; Bailey, R.G.; King, T.; and Russell, W.E. M332Eb Northern Mountains Subsection M341Cb Southern Markagunt-Paunsaugunt Plateaus Subsection 255Cd 232Lc Province 221H Northern Cumberland Plateau Section 232Ab New Jersey Outer Coastal Plain Subsection M262A Central California Coast Ranges Section 331Hb Western Central High Plains Subsection 321Ab 1997. National hierarchical framework of ecological units. In: M.S. Boyce and A. Haney, eds. M332Ebb East Pioneer Mountains Subsection M341Cc Northern Subsection 232Fb 221Ha Rugged Eastern Hills Subsection 232Ac New Jersey Inner Coastal Plain Subsection M262Aa Fremont-Livermore Hills and Valleys Subsection 331Hc Eastern Central High Plains Subsection Austin 234Cb Ecosystem Management: Applications for Sustainable Forest and Wildlife Resources. New Haven, M262Ab Western Diablo Range Subsection M332Ee Subsection M341Cd Upper Valley Subsection 232Ea 221Hb Kinniconick and Licking Knobs Subsection 232Ad Western Chesapeake Uplands Subsection 331He Northern Front Range Foothills Subsection M341Ce Sevier Plateau Subsection 234Cc CT: Yale University Press. pp. 181-200. M262Ac Diablo Range Subsection M332Eee West Pioneer Mountains Subsection 255Cf Subregion Boundaries 221Hc Southwestern Escarpment Subsection 331Hf Denver-Julesburg Basin Subsection M332Eg Anaconda Mountains Subsection M341Cf John’s Valley-Grass Valley Subsection 232B Gulf Coastal Plains and Flatwoods Section M262Ad Eastern Hills Subsection 315Da 221Hd Sequatchie Valley Subsection McNab, W.H.; Cleland, D.T.; Freeouf, J.A.; Keys, Jr., J.E.; Nowacki, G.J.; and Carpenter, C.A. M341Cg Awapa Plateau Subsection 232Eb 232Ba Fragipan Loam Hills Subsection M262Ae Interior Santa Lucia Range Subsection 331I Arkansas Tablelands Section M332Egg Lemhi and Birch Creek Valleys Subsection 232Ef 221He Miami-Scioto Plain-Tipton Till Plain Subsection 232Db 232Bc Cintronelle Plains Subsection 2007. Description of ecological subregions: sections of the conterminous United States. Gen. Tech. M262Af Gabilan Range Subsection 331Ia Picketwire Canyon Lands-Rolling Plains Subsection M332Eh Northern Subsection M341Ch Aquarius Plateau-Boulder Mountain Subsection 321Aa 255Ca 232Kb Section (212A) 221J Central Ridge and Valley Section 232Bg South Coastal Plains Subsection Report WO-76B. [CD-ROM] Washington, DC: U.S. Department of Agriculture. Forest Service. 80 p. M262Ag Kettleman Hills and Valleys Subsection 331Ie Lower Arkansas-Big Sandy Valley Subsection M332Ehh East Bitterroot Range-Big Hole Divide Subsection M341Ci North Basins and Slopes Subsection Subsection (212Aa) M341Cj Kolob Terrace-Cedar Mountain Subsection 221Ja Rolling Limestone Hills Subsection 232Bh Gulf Southern Loam Hills Subsection M262Ah Paso Robles Hills and Valleys Subsection 331If Arkansas Valley Tablelands Subsection M332Ej Southwest Montana Intermontane Basins and Valleys Subsection 232Gb Keys, Jr., J.E.; Cleland, D.T.; and McNab, W.H. 2007. Peer review and refinement of the map of M341Ck Pavant Range Subsection 221Jb Sandstone Hills Subsection 232Bi The Plains Subsection M262Ai Carrizo Plain Subsection 331Ig Arkansas Valley High Tablelands Subsection M332Ek Southern Lemhi Range Subsection subregions of the conterminous United States. Gen. Tech. Report WO-76A. Washington, DC: U.S. M332Ekk Ruby-Tobacco Root Mountains Subsection M341Cl Subsection 255Cg 221Jc Holston Valley Subsection 232Bj Southern Loam Hills Subsection M262Aj Caliente Range-Cuyama Valley Subsection 331Ih Black Forest Subsection 232Gc M Mountains with altitudinal zonation 232Bk Southern Clay Hills Subsection Department of Agriculture, Forest Service, Ecosystem Management Coordination. 9 p. M262Ak Temblor Range Subsection 331Ii Southern Front Range Foothills Subsection M332En Salmon Front Subsection M341Cm Monroe Mountain Subsection M332Enn Gravelly-Snowcrest Mountains Subsection M341Cn Fishlake Plateau Subsection 222 Midwest Broadleaf Forest Province 232Bl Lower Loam and Clay Hills Subsection 255Db which are named for the spectrum SELECTED REFERENCES M262B Southern California Mountain and Valley Section 331J Northern Rio Grande Basin Section M332Ep Blacktail Mountains Subsection M341Cr North Western Woodlands and Shrub Mountains Subsection USDA FOREST SERVICE REGIONS 255Dd 232Bm Lower Clay Hills Subsection 232Bn Lower Loam Hills Subsection M262Ba San Rafael-Topatopa Mountains Subsection 331Ja Subsection M332Er Southern Beaverhead Mountains Subsection M341Cs Semi-Arid Foothills Subsection 232Gd 222H Central Till Plains-Beech-Maple Section Albert, D.A. 1995. Regional landscape ecosystems of Michigan, Minnesota, and Wisconsin: A 315Ed 255Da of zones from lower to upper 232Bo Border Sand Hills Subsection M262Bb Northern Transverse Ranges Subsection 331Jb Subsection M332Ez Pahsimeroi-Round-Big Lost-Little Lost River Valleys Subsection M341Ct Eastern Wasatch Mountain Zone Subsection 222Ha BlufftonTill Plains Subsection working map and classification. Gen. Tech. Report NC-178. St. Paul, MN: U.S. Department of 255Dc 232Bp Wiregrass Plains Subsection M262Bc Sierra Pelona-Mint Canyon Subsection 331Jc Mogotes Subsection 232Ga 222Hb Miami-Scioto Plain-Tipton Till Plain Subsection Agriculture, Forest Service, North Central Forest Experiment Station. 250 p. M262Bd San Gabriel Mountains Subsection 331Jd Southern San Luis Grasslands Subsection M332F Challis Volcanics Section M341D West Great Basin and Mountains Section FOREST SERVICE MAP 222Hc Little Miami Old Drift Plain Subsection 232Bs Floodplains and Terraces Subsection M341Di West Great Basin Ranges Subsection Political Boundaries M262Be Upper San Gabriel Mountains Subsection M332Fa Pioneer Foothills Subsection Compiled and edited by: James E. Keys, Jr., David T. Cleland, and Jerry A. Freeouf, 222Hd Mad River Interlobate Plains Subsection Freeouf, J.A. 1998. Ecoregions and subregions of Region 2 (map). Lakewood, CO: U.S. 331K North Central Highlands Section M332Fb Smokey Mountains Subsection M341Dj Toquima-Monitor-Antelope Ranges Subsection Northern 232Db 222He Darby Plains Subsection 232C Atlantic Coastal Flatwoods Section M262Bf Santa Ana Mountains Subsection USDA Forest Service. 232Ca Upper Terraces Subsection Department of Agriculture, Forest Service, Rocky Mountain Region. Natural Resource Information M262Bg San Gorgonio Mountains Subsection 331Ka Igneous-Core Mountains Non-Calcareous Foothills Subsection M332Fc Pioneer Mountains Subsection M341Dl West Great Basin Valleys Subsection 222Hf Entrenched Valleys Subsection Team. Scale 1:500,000. Pacific Cartographic production by Alyssa M. Sloan, Michigan Technological University, 315Ec State 232Cb Lower Terraces Subsection M262Bh Upper San Gorgornio Mountains Subsection 331Kb Missouri Breaks Woodland-Scrubland Subsection M332Fd North Fork Big Lost River-Copper Basin-White Knob Mountains 255Dc Northwest 222I Erie and Ontario Lake Plain Section 232Cc Okefenokee Uplands Subsection M262Bi Little San Bernardino-Bighorn Mountains Subsection 331Kd North Central Grassland Subsection Subsection Janice E. Wilson, and Judy Dersch, USDA Forest Service. Goudey, C.B.; and Smith, D.W.; eds.1994. Ecological units of California: Subsections (map). San 222Ia Lake Erie Plain Subsection 232Cd Okefenokee Subsection M262Bj Fontana Plain-Calimesa Terraces Subsection 331Ke Sagebrush Steppe Subsection M332Fg Yankee Fork-East Subsection Map constructed using automated methods by USDA Forest Service, Eastern Francisco, CA: U.S. Department of Agriculture, Forest Service. Pacific Southwest Region. Scale 222Ib Erie-Ontairo Lake Plain Subsection 232Ce Coastal Marsh and Island Subsection M262Bk Perris Valley and Hills Subsection 331Kf Central Grassland Subsection M332Fh East Fork Salmon River Mountains Subsection Eastern Regional Office, Rhinelander, WI. Support was provided by Rocky Mountain Region, 1:1,000,000; colored. 222Ic Eastern Ontario Till Plain Subsection 232Cf Bacon Terraces Subsection M262Bl San Jacinto Foothills-Cahuilla Mountains Subsection 331Kh Judith Basin Grassland Subsection M332Fi Monumental Summit Mountains Subsection Rocky Mountain Lakewood, CO. 331Ki Western Igneous-Core Mountains Non-Calcareous Foothills Subsection 25∞0'0"N Responsibility for Region Compilation Intermountain 232Da 222Id Cattaraugus Finger Lakes Moraine and Hills Subsection 232Cg Flatwoods Floodplains and Terraces Subsection M262Bm San Jacinto Mountains Subsection Ecoregion and subregion theme designs by Robert G. Bailey, James E. Keys, Jr., 315Eb Keys, Jr., J.E., Carpenter, C., Hooks, S., Koenig, F., McNab, W.H., Russell, W., and Smith, M-L. 331Kj Unglaciated Montana High Plains Subsection M332G Blue Mountains Section 222Ie Eastern Ontario Lake Plain Subsection 1995. Ecological units of the eastern United States - First approximation (map and booklet of M262Bn Western Granitic Foothills Subsection 232Gb M332Gb John Day-Clarno Highlands Subsection R1 – Northern Region Constance A. Carpenter, and others. 25∞0'0"N 232D Florida Coastal Lowlands-Gulf Section M262Bo Palomar-Cuyamaca Peak Subsection 411Ab BASIS OF MAP UNITS map unit tables), , GA: U.S. Department of Agriculture, Forest Service. Presentation scale 331L Glaciated Northern Grasslands Section M332Gc Maritime Influenced Forest Subsection Map base from US Geological Survey National Atlas Series. 222J South Central Section 232Da Immokalee Rise Subsection M262Bp Desert Slopes Subsection 1:3,500,000; colored. 331La Glaciated Northern Grasslands Subsection M332Gd Snake River Canyons and Dissected Uplands Subsection R2 – Rocky Mountain Region 255Dc 222Ja Southeast Lake Michigan Plains and Dunes Subsection 232Db Gulf Coastal Lowlands Subsection Pacific This map depicts subregion ecological units developed according to the classification scheme of 222Jb Southeast Lake Michigan Moraines Subsection M332Ge Wallowa- Subsection Southwest 232E Coastal Prairie and Marshes Section MacFarlane, D. W., Coutros, C. and Dunn, J. 2000. Landscape classification for the Hudson 313 Semi-Desert Province 331M Missouri Plateau Section R3 – Southwestern Region The U.S. Department of Agriculture (USDA) prohibits discrimination in all its 411Af 222Jc Iona Moraines Subsection M332Gf Canyons and Dissected Highlands Subsection the National Hierarchical Framework of Ecological Units (Avers et. al., 1994). The map presents 232Ea Gulf Coast Prairie Subsection Valley of New Jersey NJ ECOMAP. New Jersey Division of Parks and Forestry, New Jersey Forest 331Ma Moreau Prairie Subsection M332Gh Continental Highlands Subsection Southwestern programs and activities on the basis of race, color, national origin, age, disability, 315Ea a revision of sections, and a first iteration of subsections for the conterminous United States. 222Je Bluffton-Ann Arbor Till Plains Subsection 313A Grand Canyon Section 331Mc Missouri Plateau Subsection R4 – Intermountain Region Southern 222Jf Lum Interlobate Moraine Subsection 232Eb LA-TX Gulf Coast Marshes and Inland Bays Subsection Service Trenton, N.J. 08625. 86p. 313Aa San Juan Basin-Mesa Verde Subsection M332Gk Continental Uplands Subsection and where applicable, sex, marital status, familial status, parental status, religion, These subregions nest within and refine successively larger ecological units (Bailey et.al., 1995 232Ef LA Gulf Coast Marshes and Inland Bays Subsection 331Md Little Missouri Subsection 411Ad 222Jg Jackson Interlobate Moraine Subsection M332Gl Cold Moist Volcanic Ash Forest Subsection sexual orientation, genetic information, political beliefs, reprisal, or because all or MacFarlane, D.W. and Dunn, J. 2002. Landscape classification for the Highlands of New Jersey 313Ab Canyon of Ancients-Blanding Basin Subsection 331Me Missouri Plateau and River Breaks Subsection R5 – Pacific Southwest Region revised). 222Jh Kalamazoo-Elkhart Moraines and Plains Subsection M332Gm Subalpine Mountains Subsection 232F Coastal Plains and Flatwoods-Western Gulf Section New Jersey ECOMAP Pub. #2. New Jersey Division of Parks and Forestry, New Jersey Forest 313Ac Monument Upwarp Subsection 331Mf River Breaks Subsection part of an individual's income is derived from any public assistance program. (Not all M332Gp Hornet Plateau Subsection 411Ae 222Ji Steuben Interlobate Moraines Subsection 232Fa Southern Loam Hills Subsection 411Ae Service CN404, Trenton, NJ 08625. 114 p. 313Ad Glen Canyon Subsection 331Mh Western Missouri Plateau Subsection R6 – Region prohibited bases apply to all programs.) Persons with disabilities who require 255Dc 411Ac 232Fb Southwest Flatwoods Subsection 313Ae Escalante Subsection 315Ef Ecological units are identified at all hierarchical levels by the integration of physical and biological 222K Southwestern Great Lakes Morainal Section 331Mi Sagebrush Steppe Subsection alternative means for communication of program information (Braille, large print, 232Fc Sabine Alluvial Valley Subsection 313Ag Kaibab Uplift Subsection M333 Northern Rocky Mountain Forest – Steppe - Coniferous Forest - R8 – Southern Region components of the environment which include climate, geology, , soils, potential 222Kb Central Wisconsin Moraines and Outwash Subsection Nesser, J.A.; Fort, G.L.; Maynard, C.L.; and Page-Dumroese, D.S.; eds. 1996. Ecological audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice 232Fe Piney Woods Transition Subsection 313Ah Shinarump Steppe Subsection 331N Belt Mountains Section Alpine Meadow Province 315Eg 222Kc Lake Winnebago Clay Plain Subsection units of the Northern Region: subsections - Montana, Northern Idaho and North Dakota, First and TDD). To file a complaint of discrimination, write to USDA, Director, Office of natural vegetation, hydrology and water. All components are considered and evaluated in the 232Ff Red River Alluvial Plain Subsection 313Ai Vermilion Cliffs-Navajo Steppe Subsection 331Na Snowy Foothills Subsection R9 – Eastern Region 222Kd South Central Wisconsin Prairie and Savannah Subsection Approximation (map). Missoula, MT: U.S. Department of Agriculture, Forest Service, Northern M333A Okanogan Highland Section Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410, or 411Ae placement of boundaries, but their importance varies with scale. The primary purpose for Region. Scale 1:3,500,000; colored. 313Aj Kolob-Skutunpah Terraces and Cliffs Subsection 331Nb Unglaciated Montana High Plains Subsection 222Ke Southern Green Bay Lobe Subsection 232G Florida Coastal Lowlands-Atlantic Section M333Aa Inland Maritime Foothills and Valley Subsection call (800) 795-3272 (voice) or (202) 720-6382 (TDD). USDA is an equal opportunity 313Ak Cold Desert-Great Basin Sagebrush Subsection 331Nc Central Montana Broad Valleys Subsection delineating ecological units is to identify areas at different hierarchical levels that have similar 222Kf Geneva-Darien Moraines and Till Plains Subsection 232Ga Eastern Beach and Lagoons Subsection M333Ab Subsection provider and employer. Nigh, T. A. and Schroeder, W. A. 2002. Atlas of Missouri Ecoregions. Missouri Department of 313Al Grand Wash Plains Desert Grass-Shrubland Subsection capabilities and potentials for management. (Cleland et. al., 1997). 222Kg Kenosha-Lake Michigan Plain and Moraines Subsection 232Gb Eastern Beach and Dunes Subsection M333Ac Northern Idaho Hills and Low Mountain Subsection 411Ae Conservation. 1110 College Ave. Columbia, MO 65201-5204. 212p. 313Am Kaibito Plateau High Desert Shrubland Subsection 332 Great Plains Steppe Province 222Kh Rock River Old Drift Country Subsection 232Gc Okeechobee Plain Subsection M333Ad Western Selkirk Maritime Forest Subsection 313An Kaibito Plateau High Plains Grassland Subsection 222Ki Chicago Lake Plain Subsection 232Gd Kissimmee River Subsection 313Ao Grand Canyon Shrub-Woodland Subsection 332A Northeastern Glaciated Plains Section M333Ae Columbia Valley and Foothills Subsection 222Kj Valparaiso Moraine Subsection CITATION 332Aa Glaciated Drift Plains Subsection M333Ag Okanogan Highland Dry Forest Subsection 313Ap Vermilion Cliffs Woodland Subsection 232H Middle Atlantic Coastal Plains and Flatwoods Section Cleland, D.T.; Freeouf, J.A.; Keys, J.E.; Nowacki, G.J.; Carpenter, C.A.; and McNab, W.H. 2007. 332Ab Souris Basin Subsection M333Ah Okanogan Semiarid Foothills Subsection 313Aq Grand Wash/Aubrey Cliffs Woodland Subsection 232Ha Atlantic Southern Loam Hills Subsection Ecological Subregions: Sections and Subsections for the conterminous United States. Gen. Tech. 332Ac Glaciated Outwash Plains Subsection M333Ai Spokane Valley Outwash Plains Subsection 232Hb Eastern Chesapeake Lowland Subsection 313Ar Montane Conifer Forest Subsection 115∞0'0"W 110∞0'0"W 105∞0'0"W 100∞0'0"W 95∞0'0"W 90∞0'0"W 85∞0'0"W 80∞0'0"W 75∞0'0"W Report WO-76D [Map on CD-ROM] (A.M. Sloan, cartographer). Washington, DC: U.S. Department 332Ad Souris Sand Deltas Subsection 232Hc Delmarva Outer Coastal Plain Bays and Islands Subsection 313As Kaibab Plateau Spruce-Fir Forest Subsection M333B Flathead Valley Section of Agriculture, Forest Service, presentation scale 1:3,500,000; colored. [Also available on CD-ROM 332Ae Turtle Mountains Subsection 232Hd Delmarva Upland Subsection 313At Gothic Mesas Carrizo Mountains Subsection M333Ba Purcell-North Cabinet Mountains Subsection consisting of GIS coverage in Environmental Systems Research Institute, Inc. (ESRI) format]. M333Bb Salish Mountains Subsection M333Bc Flathead River Valley Subsection