. The Badland formations of the Black Hills region. Geology; Geology, Stratigraphic; Vertebrates, Fossil. . Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original O'Harra, Cleophas C. (Cleophas Cisney), 1866-1935. Rapid City, S. D. [The Daily Journal]

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Photo credit: © Library Book Collection / Alamy / Afripics
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectgeology, bookyear1910