- Geo. H. Walker & Co., creator, publisher1
- Geological Survey (U.S.), issuing body1
- Gray, Frank A.1
- Gregory, Herbert E. (Herbert Ernest), 1869-19521
- H. & C.T. Smith (Firm), issuing body1
- H.M. Gousha Company1
- Hartford (Conn.). Dept. of Engineering1
- Hartley and Whiteford, surveyor1
- Hartshorn, Joseph H. (Joseph Harold), 1922-1
- Hildreth, C. T.1
- Hildreth, Carol T.1
- Hopkins, Griffith Morgan, Jr., cartographer1
- Hyde, E. Belcher1
- Irvine, H., surveyor1
- J.H. Colton & Co.1
- J.H. Colton & Co., cartographer, publisher1
- J.W. Vose & Company, cartographer1
- Jocelyn, N.1
- Johnson, A. J. (Alvin Jewett), 1827-18841
- Kellogg & Bulkeley, cartographer, publisher1
GeoBlacklight version 4.1.0
