General Contents - Residual Project at Devil's Elbow [one section sampled]: Stratigraphy - [Gasconade]: Minerals - calcite, clay: Lithologies - chert, dolomite, quartzite, siltstone: Mines/quarries - [none noted]: Paleontology - Cryptozoan reef.: Hydrology - [none noted]: Structure - [none noted]: Oil/gas - [none noted]: Karst - [none noted]: Measured Sections - one, written: Blank/missing pages - Blank: 2, 6-98, 100, inside back cover.: Other - Measured section description, samples filed at MGS as well #19275. 1960 copy of pg-sized geologic map of Missouri, location marked. Cultural features. Sketch.: 6 p.