From the Survey's 6th annual report., Relief shown by hachures., Depmt. of the Interior, U.S. Geological Survey of the Territories, F.V. Hayden in charge., Snake River Division., Area was explored in the summer of 1872.
Eng 57 1., Relief shown by hachures., Includes Yellowstone Park Forest Reserve and a portion of Teton Forest Reserve., From Annual report of the chief of engineers, 1901., To accompany annual report for 1901, H.M. Chittenden, captain, Corps of Engineers, U.S.A.
Yellowstone National Park, Wyoming., Relief shown by hachures and spot heights., Wyoming map shows 13 counties and Yellowstone Park Timber Land Reserve prior to 1902 boundary cha..., Index of Montana counties and towns, with 1900 census figures, on verso., P. 275-278 from an atlas.
1927 North American datum., Relief shown by contours and spot heights., Forested areas overprinted in green., Topography from aerial photographs by photogrammetric methods. Aerial photographs taken 1954. Fie..., 1959, N4400-W11015/15.,