00995cam a22002531 4500 gs 17000344 DLC 20260227111321.0 761006s1917 sdub b 000 0 eng c gs 17000344 (OCoLC)2484006 U.S. Geol. Survey. Libr. MWA OCoLC DLC premarc TN24.S8 A3 no. 11 O'Harra, Cleophas C. (Cleophas Cisney), 1866-1935. A bibliography of the geology and mining interests of the Black Hills region, by Cleophas C. O'Harra. Rapid City, So. Dak., 1917. 216, 7 p. front. (fold. map) 23 cm. South Dakota. School of Mines. Bulletin no. 11. Dept. of Geology Geology Black Hills (S.D. and Wyo.) Bibliography. Mines and mineral resources Black Hills (S.D. and Wyo.) Bibliography. Slouber, Joseph. South Dakota School of Mines and Technology. Bulletin ; no. 11. 25779 25779