- C.M. Foote & Co. (Minneapolis, Minnesota), 18881
- C.M. Foote & Co. (Minneapolis, Minnesota), 18941
- C.S. Hammond (New York), 19111
- Carey & Hart; C.S. Williams (Philadelphia)1
- Charles Desilver (Philadelphia), 18561
- Chez Boudet imprimeur du roi1
- Chez Esnauts et Rapilly (Paris)1
- Chisholm & Co.? (Montreal, Quebec?)1
- Clason Map Co. (Denver, Colo.)1
- Colton & Co (New York)1
- Corps of Engineers (Washington, D.C.?)1
- Crane Island Association (Hennepin County, Minn)1
- D. Appleton & Co. (New York), 18491
- D.D. Merrill (St. Paul)1
- D.W. Ensign & Co. (Boston, Massachusetts)1
- David H. Burr, Geographer to the House of Representatives of the U.S. (Washington, D.C.?), 18391
- Dept. of Agriculture, Bureau of Public Roads (Washington, D.C)1
- Dept. of the Interior (Washington, D.C)1
- Dept. of the Interior, Bureau of Reclamation (Washington, D.C)1
- Dept. of the Interior, Office of Indian Affairs (United States)1