The Badland formations of the Black Hills region O'Harra, Cleophas C. (Cleophas Cisney) 1866-1935 creator text bibliography sdu Rapid City, S. Dak 1910 monographic eng
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2 p. l., [7], [11]-152 p. ill., 50 pl. (incl. fold. map) 23 cm. by Cleophas C. O'Harra. Bibliography: p. 135-144. n-us-sd Geology South Dakota Geology, Stratigraphic Tertiary Vertebrates, Fossil TN24.S8 A3 No. 9 (265) S2b no.9 South Dakota school of mines. Bulletin no. 9. Department of geology gs 10000618 Library, U. S. Geological Survey 791025 20260227111310.0 gs 10000618