General Contents - NW 1/4 Richwoods Quad [15']: Stratigraphy - Eminence, Gasconade, Gunter, Roubidoux: Minerals - barite, calcite, clay, lead, limonite, pyrite, quartz: Lithologies - breccia, chert, conglomerate, dolomite, quartzite, sandstone, shale: Mines/quarries - barite pits, barite/lead mines, iron mine, tunnel; St. Joe [exploration hole]: Paleontology - Cryptozoans.: Hydrology - Springs. Named streams. Artesian wells.: Structure - Dips, strikes. Contacts, elevations. Joints, strikes. Cross beds, ripple marks. Syncline. Slickensides. Faults.: Oil/gas - [none noted]: Karst - Solution slump.: Measured Sections - several, written: Blank/missing pages - Blank: 74-100, inside back cover.: Other - Outcrop descriptions. Cultural features. [...]