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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Cockerell, Theodore D. A. (Theodore Dru Alison), - Cockerell, W. P. (Wilmatte Porter) - Florissant Expeditions (1906-1908) - Lacoe, Ralph Dupuy, - Melander, A. L. (Axel Leonard), - Rohwer, S. A. (Sievert Allen), - Wheeler, William Morton,
    Publication info: 1949
    Holding Institution: American Museum of Natural History Library