General Contents - [Potosi & DeSoto quadrangles, mapping, outcrop descriptions]: Stratigraphy - Bonneterre, Boone, Burlington, Carboniferous, Cotter, Davis, Derby-Doerun, Elvins, Eminence, Everton, Gasconade, Jefferson City, Joachim, Kimmswick, Lamotte, Mississippian, Plattin, Potosi, Powell, [Precambrian], Proctor, Roubidoux, St. Peter: Minerals - barite, druse [quartz], lead, "mineralization", zinc: Lithologies - breccia, cherty, conglomerate, dolomite, porphyry, sandstone, shale: Mines/quarries - barite/lead/zinc pits, dolomite quarry, lead shaft, mines; Ditch Mines; McGrady Diggings, New Diggings, Strawberry Hill Diggings: Paleontology - Gastropods, trilobites, Trochonema tricarinata. Davis, Cotter fossils. Fossiliferous rock.: [...]