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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,Edition:Publication info: 1949Volume:Series:Holding Institution: American Museum of Natural History LibrarySubjects:BHL Collections: