| 1 |
No. 13
The white river badlands / by Cleophas C. O'Harra
Rapid City : South Dakota , 1926
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| 2 |
No. 14
The geology, mineralogy, and scenic features of custer state park, south dakota / by Cleophas C. O'Harra, Joseph P. Connolly
Rapid City : South Dakota , 1926
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| 3 |
No. 15
The tertiary mineralization of the northern black hills / by Joseph P. Connolly
Rapid City : South Dakota , 1927
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| 4 |
No. 16
The mineral wealth of the black hills / by Joseph P. Connolly, cleophas C. O'Harra
Rapid City : South Dakota , 1929
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