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- Geological Survey (U.S.)336
- United States. Bureau of the Census131
- Rand McNally and Company79
- United States. Bureau of the Census. Geography Division79
- U.S. Coast and Geodetic Survey, issuing body69
- Maps.com (Firm)47
- ebrary, Inc47
- United States. Forest Service44
- Mitchell, S. Augustus (Samuel Augustus), 1792-186828
- Mulford, John C.28
- U.S. Coast and Geodetic Survey27
- United States. National Park Service26
- United States Coast Survey, issuing body24
- AM (Publisher), digitiser23
- National Geographic Society (U.S.). Cartographic Division23
- Newberry Library, owner22
- Young, J. H. (James Hamilton)20
- United States. Bureau of Land Management18
- Colton, J. H. (Joseph Hutchins), 1800-189317
- United States. Bureau of the Census. Data Preparation Division16