- Geographical and Geological Survey of the Rocky Mountain Region (U.S.)1
- George H. Adams & Son.1
- George Philip & Son1
- George Wahr (Firm)1
- Goldthwait, J. H.1
- Grant, A.A. (Alexander A.)1
- Greene Consolidated Gold Company.1
- Greenebaum, Henry, 1833-19141
- Gunnison, J. W. (John Williams), 1812-18531
- H.R. Page & Co.1
- Hefel, Toney C., cartographer.1
- Illinois1
- Illinois. Railroad and Warehouse Commission1
- International Society of Christian Endeavor1
- Iowa. Board of Railroad Commissioners1
- J.H. Colton & Co.1
- Kentucky Geological Survey1
- Kern, R. H., topographer1
- Kindle, E. M. (Edward Martin),1869-1940.1
- Krause, Frank (Civil engineer)1