- Cady and Burgess1
- Charles Desilver (Philadelphia), 19561
- Charles Desilver; Philadelphia3
- City Engineer's Office (Saint Paul, Minnesota), 18852
- City Engineer's Office (Saint Paul, Minnesota), 18861
- City Planning Commission (Minneapolis, Minn)1
- Clason Map Co., (Denver, Colo.)1
- Clason Map Co.; Denver, Colorado 19201
- Corps of Topographical Engineers; Washington, D.C.?1
- County Board of Commissioners (St. Louis County, Minnesota)1
- Cowperthwait, Desilver & Butler; Philadelphia1
- D. Appleton and Company (Philadelphia)1
- D.D. Merrill, Randall & Co (St. Paul, Minn)1
- D.L. Curtice (Saint Paul, Minn.)1
- D.L. Curtice (St. Paul, Minn.)1
- D.L. Curtice, Civil Engineer, (St. Paul), 18881
- David L. Curtice (Saint Paul, Minnesota), 18871
- David L. Curtice, ((Minneapolis?))1
- David L. Curtice, (Minnesota), 18911
- David L. Curtice, (Saint Paul)1