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Matthew, W.D. 1909. Cenozoic Mammal Horizons of Western North America with faunal lists of the Tertiary Mammalia of the West. United States Geological Survey Bulletin, Government Printing Office, Washington; 361: 138 pp., 15 figs, numerous tabs..

Cenozoic Mammal Horizons of Western North America with faunal lists of the Tertiary Mammalia of the West

Note
Location North America Subject Distribution Species Fossil Rhinos
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