A bibliography of the geology and mining interests of the Black Hills region,
O'Harra, Cleophas C. 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 . - South Dakota School of Mines and Technology. Bulletin ; no. 11. .
gs 17000344
Geology--Black Hills (S.D. and Wyo.)--Bibliography.
Mines and mineral resources--Black Hills (S.D. and Wyo.)--Bibliography.
TN24.S8 / A3 no. 11
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 . - South Dakota School of Mines and Technology. Bulletin ; no. 11. .
gs 17000344
Geology--Black Hills (S.D. and Wyo.)--Bibliography.
Mines and mineral resources--Black Hills (S.D. and Wyo.)--Bibliography.
TN24.S8 / A3 no. 11