The Badland formations of the Black Hills region
By: by Cleophas C. O'Harra.
Series: South Dakota school of mines.  Bulletin no. 9.  Department of geology.
Publisher: The Daily Journal
Published: 1910
Place of publication: Rapid City, S. Dak
Language: eng
Number of pages: 152
Subjects: Geology -- South Dakota.; Geology, Stratigraphic -- Tertiary.; Vertebrates, Fossil.
Notes: Bibliography: p. 135-144.