01010cam a22002771 4500 gs 46000022 DLC 20260227111351.0 790612s1946 sduab b s000 0 eng c gs 46000022 (OCoLC)5057324 U.S. Geol. Survey. Library TxCM OCoLC DLC premarc QE164.M5 P4 557.83 Petsch, Bruno Carl, 1901- 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. Bibliographical foot-notes. Geology South Dakota Missouri Valley. Missouri River Valley. 28058 28058