Legend (appservices/physical_features)

Dfirms (15) Flood Elevation Lines (3) Flood Cross Section Lines (2) Floodways (1) Flood Zones (14) A DF, Density Floodway FF, Floodway Fringe FW, Floodway X X500 XP Levees (0) Levee Districts (13) Wetlands (12) Soil Viability for Agriculture (11) All areas are prime farmland Farmland of statewide importance Not prime farmland Prime farmland if drained Prime farmland if protected from flooding or not frequently flooded during the growing season Geologic Groups (10) Mk Mm Mo Ojc Osp Ospe Ou Pcc Qal Major Soil Types (9) Alluvium Clay loam till Loess Sandy decomposition residuum Thin cherty clay solution residuum Thin cherty silty to sandy clay solution residuum WBDHU8_Subbasin (6) Cahokia-Joachim Cuivre Lower Missouri Peruque-Piasa The Sny <all other values> WBDHU10_Watershed (7) Bobs Creek-Mississippi River Bonhomme Island-Missouri River Charrette Creek-Missouri River Coldwater Creek-Missouri River Cuivre River Howell Island-Missouri River Maline Creek-Mississippi River Peruque Creek-Mississippi River Portage Des Sioux-Mississippi River <all other values> WBDHU12_Subwatershed (8) Bolter Island-Mississippi River Callaway Fork City of Alton-Mississippi River City of Wood River-Mississippi River Cowmire Creek-Missouri River Cuivre Island-Mississippi River Cuivre River Dogtown Hollow-Mississippi River Dubois Creek-Missouri River Duckett Creek-Missouri River Femme Osage Creek Greens Chute-Missouri River Groshong Branch-Cuivre River Headwaters Peruque Creek Indian Camp Creek Labadie Creek-Missouri River Lower Big Creek Lower Charrette Creek Lower Dardenne Creek Maline Creek-Mississippi River Marais Temps Clair-Mississippi River McCoy Creek Middle Charrette Creek Middle Dardenne Creek Outlet Missouri River Peruque Creek Schluersburg Creek-Femme Osage Creek Upper Dardenne Creek Wildhorse Creek-Missouri River <all other values> Groundwater (5) MODERATE AMOUNTS OF WATER MODERATE TO LARGE AMOUNTS OF WATER SMALL TO MODERATE AMOUNTS OF WATER VERY SMALL TO MODERATE AMOUNTS OF WATER Ground Slopes (4) 0.000000 - 2.000000 2.000001 - 7.000000 7.000001 - 13.000000 13.000001 - 17.000000 17.000001 - 33.000000