General Contents - St. Charles Co.: Stratigraphy - 1st Magnesian Limestone, 1st Sandstone, 2nd Magnesian Limestone, Archimedes Limestone, Black River Limestone, Burlington, Carboniferous, Charette Limestone, Chemung Limestone, Chouteau, Devonian, Encrinital Limestone, Ferruginous Sandstone, Hamilton Group, Keokuk, Lithographic Limestone, Saccharoidal Sandstone, St. Louis Limestone, Ste. Genevieve Marble, Silurian, Trenton Limestone, Vermicular Limestone, Vermicular Sandstone: Minerals - iron oxide, manganese, quartz crystals: Lithologies - bituminous shale, burrstone, chert, clay, dolomite, drift, limestone, sandstone, shale, tufa: Mines/quarries - limestone quarries, coal shafts, coal pits; Backers Coal Mine, Halls Coal Mine, Klingers [...]
