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- Rand McNally and Company7
- De Lacy, W. W. (Walter Washington), 1819-18925
- H.M. Gousha Company3
- Bierce, Ambrose, 1842-1914?1
- Geological Survey of the Territories (U.S.)1
- Johnson, A. J. (Alvin Jewett), 1827-18841
- Medary, Jacob1
- Montana. State Bureau of Mines and Metallurgy1
- Rakowicz, E. H1
- Reeder & Helmick1
- United States. General Land Office1
- United States. War Dept. Corps of Engineers1
