Geology of the Missouri Valley in South Dakota,
by Bruno C. Petsch.
- Vermillion, S.D., University of South Dakota, 1946.
- 3 p. l., 78 p. maps, profiles, diagrs. 28 cm.
- South Dakota. State Geologist. Report of investigations, no. 53 .
At head of title: State of South Dakota ... State Geological Survey ... Part of illustrative matter is folded in pocket.