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Key to Land Resource Regions (LRR) and Major Land Resource Areas

Key to Land Resource Regions (LRR) and Major Land Resource Areas

Key to Land Resource (LRR) and Land Resource Areas

LRR A – NORTHWESTERN , FORAGE, AND SPECIALTY CROP 1 – Northern Pacific Range, Foothills, and Valleys ( and ) 2 – Willamette and Puget Valleys (Oregon and Washington) 3 – Olympic and Cascade (Oregon and Washington) 4 – Coastal Redwood Belt (California) 5 – Siskiyou-Trinity Area (California and Oregon) LRR B – NORTHWESTERN AND RANGE REGION 6 – Cascade Mountains, Eastern Slope (Oregon and Washington) 7 – Columbia Basin (Oregon and Washington ) 8 – (Oregon and Washington ) 9 – and (, Oregon, and Washington) 10 – Upper and Hills (Idaho and Oregon) 10A – Big and Little Wood River Footslopes and Plains (Idaho) 11 – Snake River Plains (Idaho and Oregon) 11A – Central Snake River Plains (Idaho) 11B – Upper Snake River Plains (Idaho) 12 – Lost River Valleys and Mountains (Idaho) 13 – Plateaus (Idaho) LRR C – CALIFORNIA SUBTROPICAL FRUIT, TRUCK, AND SPECIALTY CROP REGION 14 – Central California Coastal Valleys (California) 15 – Central California Coast Range (California) 16 – California Delta (California) 17 – Sacramento and San Joaquin Valleys (California) 18 – Sierra Foothills (California) 19 – Southern California Coastal (California) 20 – Southern California Mountains (California) LRR D – WESTERN RANGE AND IRRIGATED REGION 21 – Klamath and Shasta Valleys and Basins (California and Oregon) 22 – Range (California and Nevada) 23 – Malheur High Plateau (California, Nevada, and Oregon) 24 – Humboldt Area (Nevada and Oregon) 25 – Owyhee High Plateau (Idaho, Nevada, and Oregon) 26 – Carson Basin and Mountains (California and Nevada) 27 – Fallon-Lovelock Area (Nevada) 28A – Area (Idaho, Nevada, and ) 28B – Central Nevada Basin and Range (Nevada and Utah) 29 – Southern Nevada Basin and Range (California, Nevada, and Utah) 30 – Sonoran Basin and Range (, California, and Nevada) 31 – Imperial (California) 32 – Northern Intermountain Desertic Basins ( and ) 33 – Semiarid (Wyoming) 34 – Central Desertic Basins, Mountains, and Plateaus (, Wyoming, and Utah) 35 – Colorado and Green River Plateaus (Arizona, Colorado, and Utah) 36 – New and Arizona Plateaus and (Arizona and ) 37 – San Juan River Valley Mesas and Plateaus (Arizona, Colorado, New Mexico, and Utah) 39 – Arizona and New Mexico Mountains (Arizona, Colorado, New Mexico, and Utah) 40 – Central Arizona Basin and Range (Arizona) 41 – Southeastern Arizona Basin and Range (Arizona and New Mexico) 42 – Southern Desertic Basins, Plains, and Mountains (New Mexico and ) LRR E – ROCKY RANGE AND FOREST REGION 43 – Northern Rocky Mountains (Idaho, Montana, Oregon, Washington, and Wyoming) 44 – Northern Rocky Mountain Valleys (Idaho, Montana, and Washington) 46 – Northern (Montana and Wyoming) 47 – Wasatch and Uinta Mountains (Colorado, Idaho, Utah, and Wyoming) 48A – (Colorado, New Mexico, Utah, and Wyoming) 48B – Southern Rocky Mountain Parks (Colorado) 49 – Southern Rocky Mountain Foothills (Colorado and Wyoming ) 51 – High Intermountain Valleys (Colorado and New Mexico) LRR F – NORTHERN WHEAT REGION 52 – Glaciated Plain (Montana) 53A – Northern Dark Brown Glaciated Plains (Montana and ) 53B – Central Dark Brown Glaciated Plains (North Dakota and ) 53C – Southern Dark Brown Glaciated Plains (South Dakota) 54 – Rolling Soft Shale Plain (Montana, North Dakota, and South Dakota ) 55A – Northern Black Glaciated Plains (North Dakota) 55B – Central Black Glaciated Plains (North Dakota and South Dakota) 55C – Southern Black Glaciated Plains (South Dakota) 56 – River Valley of the North (, North Dakota, and South Dakota) LRR G – WESTERN GREAT PLAINS RANGE AND IRRIGATED REGION 58A – Northern Rolling High Plains, Northern Part (Montana and Wyoming) 58B – Northern Rolling High Plains, Southern Part (Montana and Wyoming) 58C – Northern Rolling High Plains, Northeastern Part (North Dakota) 58D – Northern Rolling High Plains, Eastern Part (North Dakota and South Dakota) 60A – Plains and (, South Dakota, and Wyoming) 60B – Pierre Shale Plains, Northern Part (Montana) 61 – Foot Slopes (South Dakota and Wyoming) 62 – Black Hills (South Dakota and Wyoming) 63A – Northern Rolling Pierre Shale Plains (South Dakota) 63B – Southern Rolling Pierre Shale Plains (South Dakota and Nebraska) 64 – Mixed Sandy and Silty Tableland (Nebraska, South Dakota, and Wyoming) 65 – Nebraska Hills (Nebraska and South Dakota) 66 – Dakota-Nebraska Eroded Tableland (Nebraska and South Dakota) 67 – Central High Plains (Colorado, Nebraska, and Wyoming) 69 – Upper Valley Rolling Plains (Colorado) 70 – Pecos-Canadian Plains and Valleys (Colorado and New Mexico) LRR H – CENTRAL GREAT PLAINS WHEAT AND RANGE REGION 71 – Central Nebraska Hills (Nebraska ) 72 – Central High Tableland (Colorado, , and Nebraska) 73 – Rolling Plains and Breaks (Kansas and Nebraska) 74 – Central Kansas Sandstone Hills (Kansas) 75 – Central Loess Plains (Kansas and Nebraska) 76 – Bluestem Hills (Kansas and ) 77 – Southern High Plains (Kansas, New Mexico, Oklahoma, and Texas) 78 – Central Rolling Red Plains (Kansas, Oklahoma, and Texas) 79 – Great Bend Sand Plains (Kansas) 80A – Central Rolling Red Prairies (Kansas, Oklahoma, and Texas) 80B – Texas North-Central Prairies (Texas) LRR I – SOUTHWEST PLATEAUS AND PLAINS RANGE AND COTTON REGION 81 – (Texas) 82 – Texas Central Basin (Texas) 83A – Northern Plain (Texas) 83B – Western Rio Grande Plain (Texas) 83C – Central Rio Grande Plain (Texas) 83D – Lower Rio Grande Valley (Texas) LRR J – SOUTHWESTERN PRAIRIES COTTON AND FORAGE REGION 84A – (Kansas, Oklahoma, and Texas) 84B – West Cross Timbers (Oklahoma and Texas) 84C – East Cross Timbers (Texas) 85 – Grand (Oklahoma and Texas) 86 – Texas Blackland Prairie (Texas) 87 – Texas Claypan Area (Texas) K--NORTHERN LAKE STATES FOREST AND FORAGE REGION 57 – Northern Minnesota Gray Drift (Minnesota) 88 – Northern Minnesota Glacial Lake Basins (Minnesota) 90 – Central and Minnesota Thin Loess and Till (Minnesota and Wisconsin) 91 – Wisconsin and Minnesota Sandy Outwash (Minnesota and Wisconsin) 92 – Superior Lake Plain (, Minnesota, and Wisconsin) 93 – Superior Stony and Rocky Loamy Plains and Hills (Michigan, Minnesota, and Wisconsin) 94A – and Wisconsin Sandy Drift (Michigan, Minnesota, and Wisconsin) 94B – Michigan Eastern Upper Sandy Drift (Michigan) LRR L – LAKE STATES FRUIT, TRUCK, AND DAIRY REGION 95A – Northeastern Wisconsin Drift Plain (Michigan and Wisconsin) 95B – Southern Wisconsin and Northern Drift Plain (Illinois and Wisconsin) 96 – Western Michigan and Northeastern Wisconsin Fruit Belt (Michigan and Wisconsin) 97 – Southwestern Michigan Fruit and Truck Belt (Michigan) 98 – Southern Michigan and Northern Drift Plain (Illinois, Indiana, and Michigan) 99 – Erie-Huron Lake Plain (Indiana, , and Michigan) 100 – Erie Fruit and Truck Area (, Ohio, and ) 101 – Plain and Region (New York) LRR M – CENTRAL FEED GRAINS AND LIVESTOCK REGION 102A – Rolling Till Prairie (Minnesota and South Dakota) 102B – Loess Uplands and Till Plains (, Minnesota, South Dakota, and Nebraska) 103 – Central Iowa and Minnesota Till Prairies (Iowa and Minnesota) 104 – Eastern Iowa and Minnesota Till Prairies (Iowa and Minnesota) 105 – Northern Valley Loess Hills (Illinois, Iowa, Wisconsin, and Minnesota) 106 – Nebraska and Kansas Loess-Drift Hills (Kansas and Nebraska) 107 – Iowa and Deep Loess Hills (Iowa, Kansas, Nebraska, and Missouri) 108 – Illinois and Iowa Deep Loess and Drift (Illinois, lowa, and Missouri) 109 – Iowa and Missouri Heavy Till Plain (lowa and Missouri) 110 – Northern Illinois and Indiana Heavy Till Plain (Illinois, Indiana, and Wisconsin) 111 – Indiana and Ohio Till Plain (Illinois, Indiana, Ohio, and Michigan) 112 – Cherokee Prairies (Kansas, Missouri, and Oklahoma) 113 – Central Claypan Areas (Illinois and Missouri) 114 – Southern Illinois and Indiana Thin Loess and Till Plain (Illinois, Indiana, and Ohio) 115 – Central Mississippi Valley Wooded Slopes (Indiana, Illinois, and Missouri) N – EAST AND CENTRAL FARMING AND FOREST REGION 116A – Ozark (Arkansas, Missouri, and Oklahoma) 116B – Ozark Border (Missouri) 117 – Mountains (Arkansas, and Oklahoma) 118 – Arkansas Valley and Ridges (Arkansas and Oklahoma) 119 – Ouachita Mountains (Arkansas and Oklahoma) 120 – and Indiana Sandstone and Shale Hills and Valleys (Indiana and Kentucky) 121 – Kentucky Bluegrass (Indiana, Kentucky, and Ohio) 122 – and Pennyroyal (, Indiana, , and Kentucky) 123 – Nashville Basin (Tennessee) 124 – Western Allegheny Plateau (Ohio and Pennsylvania) 125 – and Mountains (Alabama, Kentucky, Tennessee, , and ) 126 – Central Allegheny Plateau (Ohio, Pennsylvania, and West Virginia) 127 – Eastern Allegheny Plateau and Mountains (, Pennsylvania, and West Virginia) 128 – Southern Appalachian Ridges and Valleys (Alabama, , Tennessee, Virginia, and West Virginia) 129 – Sand Mountain (Alabama and Georgia) 130 – Blue Ridge (Georgia, Maryland, , Pennsylvania, Tennessee, and Virginia) O – COTTON AND FEED GRAINS REGION 131 – Southern Mississippi Valley Alluvium (Arkansas, Mississippi, Missouri, and Tennessee) P – SOUTH AND SLOPE CASH CROPS, FOREST, AND LIVESTOCK REGION 133A – Southern Coastal Plain (Alabama, , Georgia, Mississippi, North Carolina, , Tennessee, and Virginia) 133B – Western Coastal Plain (Arkansas, , Oklahoma, and Texas) 134 – Southern Mississippi Valley Silty Uplands (Arkansas, Kentucky, Louisiana, Mississippi, and Tennessee) 135 – Alabama, Mississippi, and Arkansas Blackland Prairie (Alabama, Arkansas, and Mississippi) 136 – Southern (Alabama, Georgia, North Carolina, South Carolina, and Virginia) 137 – Carolina and Georgia Sand Hills (Georgia, North Carolina, and South Carolina) 138 – North-Central Florida Ridge (Florida) R – NORTHEASTERN FORAGE AND FOREST REGION 139 – Eastern Ohio Till Plain (Ohio and Pennsylvania) 140 – Glaciated Allegheny Plateau and (, New York, Pennsylvania, and Ohio) 141 – Tughill Plateau (New York) 142 – St. Lawrence-Champlain Plain (New York and ) 143 – Northeastern Mountains (, , , New York, and Vermont) 144A – and Eastern New York Upland, Southern Part (, Maine, Massachusetts, New Hampshire, New Jersey, New York, Rhode , and Vermont) 144B--New England and Eastern New York Upland, Northern Part (Maine, Massachusetts, New Hampshire, New York, and Vermont ) 145 – Connecticut Valley (Connecticut, Massachusetts, New Hampshire, and Vermont) 146 – Aroostook Area (Maine) S – NORTHERN ATLANTIC SLOPE DIVERSIFIED FARMING REGION 147 – Northern Appalachian Ridges and Valleys (Maryland, Pennsylvania, Virginia, and West Virginia) 148 – Northern Piedmont (, Maryland, New Jersey, Pennsylvania, and Virginia) 149A – Northern Coastal Plain (Delaware, Maryland, and New Jersey) 149B – - Cod Coastal Lowland (Massachusetts and New York) T – ATLANTIC AND GULF COAST LOWLAND FOREST AND CROP REGION 150A – Gulf Coast Prairies (Louisiana and Texas) 150B – Gulf Coast Saline Prairies (Texas) 151 – Gulf Coast Marsh (Louisiana) 152A – Eastern Gulf Coast Flatwoods (Alabazna, Florida, and Mississippi) 152B – Western Gulf Coast Flatwoods (Louisiana and Texas) 153A – Atlantic Coast Flatwoods (Florida, Georgia, North Carolina, South Carolina, and Virginia) 153B – Tidewater Area (Maryland, North Carolina, and Virginia) 153C – Mid- (Delaware, Maryland, and Virginia) U – FLORIDA SUBTROPICAL FRUIT, TRUCK CROP, AND RANGE REGION 154 – South-Central Florida Ridge (Florida) 155 – Southern Florida Flatwoods (Florida) 156A – Florida Everglades and Associated Areas (Florida) 156B – Southern Florida Lowlands (Florida) V – REGION 157 – Arid and Semiarid Low Mountain Slopes 158 – Semiarid and Subhumid Low Mountain Slopes 159 – Humid and Very Humid Low and Intermediate Mountain Slopes 160 – Subhumid and Humid Intermediate and High Mountain Slopes 161 – Lava Flows and Rock Outcrops 162 – Very Humid Areas on East and West Mountains, Kohala Mountains, and Mount Waialeale 163 – Alluvial Fans and Coastal Plains 164 – Rough Mountainous Lands 165 – Subhumid Intermediate Mountain Slopes 166 – Very Stony Land and Rock Land 167 – Humid Low and Intermediate Mountain Slopes W – SOUTHERN REGION 168 – Southeastern Alaska 169 – South-Central Alaska Mountains 170 – Cook -Susitna Lowland 171 – and Southwestern X – INTERIOR ALASKA REGION 172 – Copper River Plateau 173 – Alaska Range 174 – Interior Alaska Lowlands 175 – Kuskokwim 176 – Interior Alaska Highlands Y – AND WESTERN ALASKA REGION 177 – Norton Sound Highlands 178 – Western Alaska Coastal Plains and Deltas 179 – Bering Islands 180 – Brooks Range 181 – Arctic Foothills 182 – Arctic Coastal Plain L– PACIFIC REGION 199 – Northern (Guam) 200 – Southern Guam (Guam) Z – REGION 270 – Humid Mountains and Valleys () 271 – Semiarid Mountains and Valleys (Puerto Rico, Outlying Islands, and U.S. ) 272 – Humid Coastal Plains (Puerto Rico) 273 – Semiarid Coastal Plains (Puerto Rico and Outlying Islands)