Correlation Papers: Eoene, by W.B. Clark Geological Survey (U.S.) Published: 1891 Total Pages: 204 Get eBook
Record of North American Geology for 1887 to 1889 Inclusive [1890, and 1891] Nelson Horatio Darton Published: 1891 Total Pages: 114 Get eBook
Bulletin of the United States Geological Survey Geological Survey (U.S.) Published: 1891 Total Pages: 1222 Get eBook
Annual Report of the Attorney General of the United States United States. Department of Justice Published: 1910 Total Pages: 958 Get eBook
