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Creator
- LPS Natural Resource District11
- United States. General Land Office5
- Johnson, A. J. (Alvin Jewett), 1827-1884.4
- Reed, E. C. (Eugene Clifton), 1901-3
- University of Nebraska--Lincoln. Conservation and Survey Division2
- August Gast & Co.1
- Big Ten Academic Alliance Geospatial Information Network1
- Condra, G. E.1
- Diffendal, Jr., Robert1
- Elder, John A.1
- G.W. & C.B. Colton & Co.1
- Gillis, J. R.1
- Newcomb, John N.1
- Nicholson, W. L. (Topographer)1
- Swinehart, James B.1
- Union Pacific Railroad Company.1
- United States. Army. Corps of Engineers1