Northern Prairie Wildlife Research Center
Cope, who was owner and senior editor of American Naturalist, was in Montana on two occassions while conducting paleontological research with the Wheeler Surveys from 1874-1877. At least one publication resulted from his trips to Montana.
Cope, E.D. 1879. A contribution to the zoology of Montana. Amer. Nat.
13:432-441.
Lanham, U.N. 1973. The bone hunters. Columbia Univ. Press. New York.
Wheeler, G.M. 1889. Report upon United States Geographical Surveys
West of the one hundreth meridian. U.S. Govt. Print. Off.,
Washington, DC.