Illinois Natural Areas Inventory (INAI) sites by County Illinois Natural Heritage Database December 2020 INAI Category Descriptions: Cat. I = High quality natural community and natural community restorations Cat. II = Specific suitable habitat for state-listed species or state-listed species relocations Cat. III = State dedicated Nature Preserves, Land and Water Reserves, & Natural Heritage Landmarks Cat. IV = Outstanding geological features Cat. V = Not used at this time Cat. VI = Unusual concentrations of flora or fauna and high quality streams INAI Number INAI Name Categories Adams 0173 McKee Creek Barrens and Sedge Seep I, II, III 0148 Fall Creek Gorge I, III 0385 Burton Cave II, III 0147 Burton Creek Natural Area I, II 1282 Fishhook Creek Area II 1644 Paloma Railroad Prairie I 0401 Quincy Geological Area IV 0371 Byler Cemetery Savanna I, III 0508 Zion Church Geological Area IV 1967 Allendale Spring III 1862 Quincy Bed II, VI 0444 Mill Creek Geological Area - A IV 1604 Columbus Cemetery Site II 0146 Long Island I, II 0507 Rice School Geological Area IV AdamsTotal # of Sites in County 15 Alexander 0309 Clear Creek Swamp II 0510 Wolf Creek Area II 1155 Horseshoe Lake State Conservation Area II, III 0511 Black Powder Hollow Geological Area IV 1422 Miller Creek II, VI 1146 Brown's Bar II 0376 Horseshoe Lake South II 0403 Dongola Hollow Geological Area IV 1151 Thebes Area II, IV 1148 Burnham Island II 0509 Ozark Hill Prairies I, II 1145 Big Brushy Ridge I, II 0386 Horseshoe Lake Botanical Area II 1153 Lake Creek II 0408 Gale North Geological Area IV 0404 Gale Geological Area IV 1 INAI Number INAI Name Categories 1421 Magazine Mine Hollow II, VI 1152 Unity Area II 1144 Provo Cemetery Barrens I 1785 Miller Hills II, VI 1601 South Tamms Marsh II 0310 Opossum Trot Trail I, II 0375 Horseshoe Lake I, II, III 0374 Horseshoe Forest I, III 1147 Bumgard Island II AlexanderTotal # of Sites in County 25 Bond 0429 Sorento Geological Area IV 0547 Mulberry Grove Geological Area IV 1299 Mulberry Grove Railroad Prairie II 1672 Shoal Creek - Pocahontas Reach VI 1913 East Fork Shoal Creek Pocahontas Reach VI 1674 Shoal Creek - Ripson Bridge Reach VI 1673 East Fork Shoal Creek - Greenville Reach VI BondTotal # of Sites in County 7 Boone 0379 Kinnikinnick Creek II, III 0720 Kishwaukee River II, VI 0348 Flora Prairie III 1508 Piscasaw Creek VI BooneTotal # of Sites in County 4 Brown 1663 Wilson Daymark Bed VI 1662 Little Creek Bed VI 1661 Island Road Bed VI 1219 Little Missouri Creek Dells II 0349 Snyder Hill Prairie I 0173 McKee Creek Barrens and Sedge Seep I, II, III 0513 Spencer Farm Geological Area IV 1218 Benville Area II 1777 Spunky Bottoms II 1919 McKee Creek Versailles Reach VI 1869 Lower LaMoine Confluence Floodplain Forest I 1809 Brown019 I 1790 Moores Island Bed VI BrownTotal # of Sites in County 13 Bureau 0409 Spring Valley Geological Area IV 1843 Bureau076 I 2 INAI Number INAI Name Categories 1642 Hennepin Canal - Wyanet Prairie I 1467 Big Bureau Creek VI 1546 Hennepin Illinois River Floodplain II 0382 Miller - Anderson Woods I, II, III 0351 Hetzler Cemetery Prairie I, III 1423 Fairfield Ditch II 0050 Myers Forest and Game Preserve I, III 1676 Goose Lake Botanical Area II 1824 Daisy Hill Prairie I 0350 McCune Sand Prairie II, III 1725 Gold Prairie II 1688 Spring Lake - Bureau II, VI 0514 Wyanet Geological Area IV BureauTotal # of Sites in County 15 Calhoun 1593 Clarksville Dam Bed VI 1868 Calhoun033 I 0297 Two Branch Hollow Hill Prairie I, III 1226 Clarksville Island II 0946 Monterey School Geological Area IV 0406 Cap Au Gris I, II 1592 Batchtown Mussel Bed II, VI 0314 Mortland Glade I 1227 Jennings Hill Prairie I, III 0515 Wildcat Hollow North Geological Area IV 0298 Swarnes Hill Prairie I, II, III 1594 Mozier Landing Bed II, VI 0446 Golden Eagle Geological Area IV 0317 Riprap Landing Woods I 1468 Osterman Hill Prairies I 0430 West Point Landing Geological Area IV 1424 Mississippi River - Cap Au Gris II 0383 Hamburg Southeast Geological Area IV 0313 Kamp's Glade I 0318 McNabb Hollow I 1695 Carroll Island Bed VI 1696 Coon Island Bed II, VI 1697 Kelly Island Bed VI 1698 Maple Island Bed VI 1699 Sny Island Bed VI 1819 Calhoun002 I 1867 Calhoun013 I 0316 Lead Hollow Glade I, II, III CalhounTotal # of Sites in County 28 Carroll 0402 Ayers Sand Prairie I, II, III 3 INAI Number INAI Name Categories 1023 Thomson - Fulton Sand Prairie I, II, III 1849 Carroll040 I 1848 Carroll003 I 1680 French Bluff II 0517 Wacker Geological Area IV 1288 Goose Point Botanical Area II 0518 Mt. Carroll North Geological Area IV 0965 Savanna Army Depot I, II 0416 Savanna South Railroad Prairie II, III 1290 Argo Fay Site II 0414 Brookville Lutheran Cemetery Prairie I, III 0410 Mississippi Palisades Bluff I, II, III 0384 Mississippi Palisades Geological Area IV 0411 Waukarusa Canyon I, II, III, VI 1289 Spring Lake - Carroll II CarrollTotal # of Sites in County 16 Cass 1331 Beardstown Railroad Prairie II, III 1795 Excel Sand Prairie III 1744 Illinois River Sand Areas III 1686 Frederick Landing Bed VI 1333 Bluff Springs Hill Prairie II, III 1334 Cox Creek Hill Prairie I, II, III 1087 Bluff Springs Sand Pond II, III 1332 Beardstown Marsh II, III 0111 Panther Creek Hill Prairie I, II, III 1352 Meredosia Refuge II 0112 Shick Shack Sand Pond I, II, III 1426 Hagener Sand Pond II 1535 Chandlerville - Snyder Hill Prairie I, II, III 0519 Cottonwood Geological Area IV 1425 Bulrush Sand Pond II 1740 Charles *Chinee* Colvin Sand Prairie III CassTotal # of Sites in County 16 Champaign 1428 Mahomet Botanical Area II, III 1429 Spoon River VI 0494 Middle Fork of the Vermilion River II, III, IV, VI 1449 Sangamon River II, III, VI 0052 Brownfield Woods I 0051 Trelease Woods I 1117 Mahomet Site II 1720 Barnhart Prairie II, III 1742 Edgewood Farm III 1808 Embarras River - Nanney Research Reach VI 1816 Champaign County Railroad Prairie I 4 INAI Number INAI Name Categories 1872 Edna Edwards Burnett III 1878 Big Ditch Fisher Reach II, VI 1427 Salt Fork Vermilion River Segment II, III, VI 1533 Tomlinson Pioneer Cemetery Prairie III 1140 Little Vermilion River II, III, VI 0352 Nettie Hart Woodland Memorial I Champaign17Total # of Sites in County Christian 1736 Anderson Prairie III 0013 Berry's Woods I ChristianTotal # of Sites in County 2 Clark 0447 Marshall North Geological Area IV 1417 Miller Tract I 1324 Wabash River - Mount Carmel II, III, VI 1586 Riedle's Bluffs III, VI 1081 West Fork Relict Site VI 0353 Rocky Branch I, II, III 0047 American Beech Woods I, II, III ClarkTotal # of Sites in County 7 Clay 0679 Hanging Rock I, II, III 1314 Clay County Prairie Habitat II 1958 Clay025 I 1957 Clay022 I 1887 Little Wabash Hord Reach II, VI 1754 Padgett Brothers Sweet Gum Woods III 1532 Dismal Creek Savanna I, II 0037 Flag Pond I, III 1156 Little Wabash River II, VI Clay Total # of Sites in County 9 Clinton 0320 Eversgerd Flatwoods I 1924 Shoal Creek Breese Reach VI 1923 Shoal Creek Bartelso Reach VI 1675 Shoal Creek - Goodings Ford Segment II, VI 1945 Sugar Creek New Baden Reach VI 1630 Pelican Pouch Woods I 0865 West End Sportsman's Club Woods I, III 0418 Lost Creek Prairie I, III 1514 Kaskaskia River - Carlyle III, VI ClintonTotal # of Sites in County 9 5 INAI Number INAI Name Categories Coles 0389 Humboldt Railroad Prairie I 1886 Little Embarras River Ashmore Segment II, VI 1430 Riley Creek VI 0448 Center School Geological Area IV 1120 Embarras River - Camargo II, III, VI 1585 Warbler Woods I, II, III 0449 Hutton Geological Area IV 0950 Embarras River II, III, VI 0007 Sargent's Woods I, III 0008 Five-Mile Hill Prairie I 0005 Water Works Hill Prairie I, III 0010 Stevens Hill Prairie I 1649 Kaskaskia River - Cooks Mills Segment II, VI 1743 Embarras River Land and Water Reserve III 1802 Coles002 I 1873 Ambraw Woods III 0354 Hillside Marsh I, III ColesTotal # of Sites in County 17 Cook 1070 Lake Calumet II 1379 Carle Woods II 1377 Schiller Woods Prairie II 0394 Shoe Factory Road Prairie I, II, III 1383 Gray Farm Park Marsh II 1575 Sundrop Prairie III 1381 Palatine Prairie III 0498 Wentworth Prairie I 1375 Brookfield Prairie II 0421 Palos Fen I, II, III 0393 Glenbrook North High School Prairie I, III 0427 Volbrecht Road Woods II 0534 Busse Woods I, II, III 1358 Vollmer Road Area II, III 1712 Bridgeview Prairie I 1713 Orland Grassland II, III 1726 Metra Prairie II 1727 Montrose Beach Dune II 1775 Deer Grove West II, III 1798 McMahon Woods and Fen III 1932 Jens Jensen Grasslands and Woods III 1387 Clayton F. Smith Woods II 0502 Tollgate Prairie I 1495 Glenview Naval Air Station Prairie II 0254 Somme Prairie I, II, III 1378 Hubbard Woods Site II 0461 Burnham Prairie I, III 6 INAI Number INAI Name Categories 0397 Sidney R. Yates Flatwoods I, II 0390 Spring Lake - Cook II, III 0420 Salt Creek Woods III 0425 Dropseed Prairie I, III 1385 WGN Marsh II 0422 Cap Sauers Holdings III 1469 Kennicott's Grove II, III 0535 Glencoe Botanical Area II 0398 Chicago Ridge Prairie I, III 0540 Old Plank Road Prairie I, III 0542 Sauk Village Railroad Prairie I 0499 Sand Ridge Prairie - A I, II, III 0269 Sand Ridge Nature Center II 0424 Markham Prairie - East I 1563 Paintbrush Prairie III 0396 Morton Grove Prairie I, III 1390 Wayside Prairie II 1376 Sauganash Prairie II 1386 Baker's Lake II, III 0633 Barrington Hills Botanical Area II 0423 Cranberry Slough III 0400 Gensburg - Markham Prairie I, II, III 0428 Wampum Lake Seepage Area I, III 0266 Crabtree Nature Center II 1357 McGinnis Slough II 1574 St.