General Contents - Lincoln Co: Stratigraphy - 1st Magnesian Limestone, 2nd Magnesian Limestone, Archimedes Limestone, Black River Limestone, Burlington, Charette Limestone, Chemung Limestone, Chouteau, Coal Measures, Encrinital Limestone, Hamilton Group, Hudson River Shale, Keokuk, Lithographic Limestone, Niagara Group, Saccharoidal Limestone, Saccharoidal Sandstone, St. Louis Limestone, St. Peter Sandstone, Silurian, Trenton Limestone: Minerals - iron concretions, iron oxide, lead, pyrite: Lithologies - bituminous shale, chert, clay, coal, dolomite, drift, limestone, sandstone, shale: Mines/quarries - coal pits, limestone quarry, pit: Paleontology - brachiopods, bryozoans, cephalopods, corals, crinoids, productids, spirifers, sponges, [...]