- United States. Department of Housing and Urban Development53
- United States. Bureau of Transportation Statistics28
- Stackhouse, Cecil17
- Geological Survey (U.S.)11
- Kelso, Nathaniel Vaughn11
- National Atlas of the United States11
- Patterson, Tom11
- United States. Bureau of the Census. Geography Division6
- Environmental Systems Research Institute (Redlands, Calif.)3
- Gap Analysis Program (U.S.)3
- Hijmans, Robert J.3
- Canada Centre for Remote Sensing2
- Instituto Nacional de Estadística, Geografía e Informática (Mexico)2
- National Marine Protected Areas Center (U.S.)2
- United States. National Oceanic and Atmospheric Administration2
- United States. Office of Ocean and Coastal Resource Management2
- University of Richmond. Digital Scholarship Lab2
- California. Department of Fish and Game. Marine Resources Region1
- Carey, Mathew, 1760-18391
- Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), Office Of National Marine Sanctuaries (ONMS), National Marine Protected Areas Center (MPAC)1
