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Scope of Investigations
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Acre-feet Acres Acres average BANK EROSION PROFILE Big Muddy River cent Class conservation program Crab Orchard Creek Crab Orchard Lake cropland crops cross-section of Range cultivation developed Devil's Kitchen draft rate Erosion Groups estimated evaporation gallons per day Grassy Creek Herrin Hosmer silt loam Hoyleton idle land lake could furnish lake survey legumes Little Grassy Lake located loess low in available Marion ment million gallons Misc moderately sloping mottled Orchard Lake Watershed pasture percent plant production PROFILE AT STATION Recommended Land related soils underlain reservoir Resettlement Administration rotation samples SECTION OF RANGE sediment deposited severely eroded shown in Figure shows soil association areas Soil Conservation Service soil loss soil survey soil types Southern Illinois soybeans spud square miles storage capacity stream subsoil surface thin loess tion tons per acre total watershed underlain by glacial water depth water level water supply wildlife Williamson County woodland Wynoose