General Contents - [various notes]: Stratigraphy - Burlington, Cherokee, Chouteau, Coal Measures: Minerals - barite, galena, glauconite, gypsum, hematite, kaolin, magnetite, manganese, marcasite, pyrite, quartz vein, sphalerite: Lithologies - chert, clay, coal, conglomerate, diabase, dolomite, granite, limestone, loess, ochre, porphyry (extrusive igneous), sandstone, shale: Mines/quarries - clay mine, coal mines, iron mine, limestone quarry; Pitchers Coal Bank, Clinton Pottery Co., Iron Mountain, Wm Nichols quarry, Doe Run, Lamon's Mine, Dresser, barite operators listed, clay mines listed: Paleontology - brachiopods, crinoids, spirifers, others; some noted by species: Hydrology - mineral springs; Saratoga Spring, Medical Twin Springs, [...]