The White River Badlands O'Harra, Cleophas C. 1866-1935 creator text book Rapid City, S.D 1920 1920
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ENG A revised reprint of the author's The Badland formations of the Black Hills region, 1910. South Dakota State School of Mines. Bulletin no. 9. Black Hills Geology Geology, Stratigraphic South Dakota Tertiary Vertebrates, Fossil TN24.S8 A3 no.13X Dept. of Geology South Dakota state school of mines. Bulletin, no. 13 https://www.biodiversitylibrary.org/bibliography/61383 3654115 gs21000190 10.5962/bhl.title.61383 Library, U. S. Geological Survey