Creator
- United States. General Land Office (109)
- Geological Survey (U.S.) (104)
- Rand McNally and Company (67)
- United States. Bureau of Public Roads (35)
- American Geographical Society of New York (29)
- Canada. Department of the Interior (26)
- Morden, Robert, approximately 1650-1703 (23)
- United States. Forest Service (16)
- Geological Survey of Canada (14)
- National Highways Association (13)
- Survey of India (13)
- Canada. Natural Resources Intelligence Service (12)
- Cary, John, approximately 1754-1835 (11)
- Gross, Alexander, 1879-1958 (11)
- J.H. Colton & Co (11)
- United States. Bureau of Soils (10)
- Burr, David H., 1803-1875 (9)
- Edward Stanford Ltd (9)
- Rand McNally and Company. (9)
- U.S. Coast and Geodetic Survey (9)