- Railroad Commission of Wisconsin4
- United States. Soil Conservation Service4
- Wisconsin. State Highway Commission4
- Bradford, T. G. (Thomas Gamaliel), 1802-1887.3
- Graham, J. D. (James Duncan), 1799-18653
- Ice Age Trail Alliance3
- Minneapolis, St. Paul & Sault Ste. Marie Railway Company3
- United States. Army. Corps of Topographical Engineers3
- Wisconsin Department of Public Instruction3
- American Immigration Company2
- Burr, David H., 1803-18752
- Cram, George Franklin, 1841-19282
- Federal Railroad Administration2
- Greenleaf, J. (Jeremiah), 1791-1864.2
- H.M. Gousha Company2
- Lapham, Increase Allen, 1811-18752
- O'Donoghue, John, 1946-2
- Ozaukee County Land Information Office2
- U.S. Geological Survey2
- United States. General Land Office2