- Farmer, Arthur John, 1876-1
- Foerste, Aug. F. (Aug. Frederic),1862-1936.1
- Geib, W. J.(Warren Jacob), 1880-cartographer.1
- Gould, Harold D.1
- Hamery, George T.1
- Hobs, Edwin1
- Hurd-Martin Co. (Formerly Hurd-Wheeler Co.)1
- Instituto Geogräfico Militar (Chile)1
- John Bartholomew & Co1
- Jones, W. D.(William De Forest), cartographer.1
- Kenyon Company (Des Moines, Iowa)1
- Melton, A. P.1
- Michigan. Geological Survey Division1
- Minnesota. State Highway Commission1
- Mississippi Geological, Economic, and Topographical Survey1
- Neal, Walter J.1
- Oliver Iron Mining Company (Duluth, Minn.). Mining Engineering Department.1
- Portillo, Pedro1
- Prussia. Landesaufnahme. Kartographische Abteilung1
- Railroad Commission of Washington1