00871cam a22002411 4500 gs 06001159 DLC 20260227111305.0 800405s1902 sdua 000 0 eng gs 06001159 (OCoLC)6169981 DLC TxCM DLC premarc TN24.S8 A3 no. 6 O'Harra, Cleophas C. (Cleophas Cisney), 1866-1935. The mineral wealth of the Black Hills. By Cleophas C. O'Harra. Rapid City, S.D., 1902. 88 p. illus. South Dakota School of Mines. Bulletin no. 6. Department of geology "Published also as a part of Bulletin no. 3 of the South Dakota Geological Survey." Mines and mineral resources South Dakota. South Dakota School of Mines and Technology. Bulletin ; no. 6. 24519 24519