00869cam a22002411 4500 gs 55000217 DLC 20260227111403.0 790612s1954 sduab s000 0 eng c gs 55000217 (OCoLC)5058539 U.S. Geol. Survey Libr. TxCM OCoLC DLC premarc QE163 .B6 Bolin, Edward J. Well logs in South Dakota east of Missouri River, by Edward J. Bolin and Bruno C. Petsch. Vermillion, University of South Dakota, 1954. ii, 95 p. map, tables. 28 cm. South Dakota. State Geological Survey. Report of investigations no. 75 Borings South Dakota. Petsch, Bruno Carl, 1901- joint author. Report of investigations (South Dakota Geological Survey) ; no. 75. 28963 28963