The Huerfano Lake Basin, southern Colorado, and its Wind River and Bridger fauna. Bulletin of the AMNH ; v. 9, article 21 Hills, R. C. (Richard Charles), 1848-1923 Osborn, Henry Fairfield, 1857-1935 Wortman, J. L. (Jacob Lawson), 1856-1926 text book 1897
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