United States. Department of the Interior & Hayden, F. V. (1872). Preliminary report of the United States Geological Survey of Montana and portions of adjacent territories: Being a fifth annual report of progress [for the year 1871]. Government Printing Office.
Chicago-Zitierstil (17. Ausg.)United States. Department of the Interior und F. V. Hayden. Preliminary Report of the United States Geological Survey of Montana and Portions of Adjacent Territories: Being a Fifth Annual Report of Progress [for the Year 1871]. Washington, D.C: Government Printing Office, 1872.
MLA-Zitierstil (9. Ausg.)United States. Department of the Interior und F. V. Hayden. Preliminary Report of the United States Geological Survey of Montana and Portions of Adjacent Territories: Being a Fifth Annual Report of Progress [for the Year 1871]. Government Printing Office, 1872.