Publisher
- National Atlas of the United States105
- United States. Department of Housing and Urban Development66
- United States. Bureau of Transportation Statistics57
- Geological Survey (U.S.)42
- Environmental Systems Research Institute (Redlands, Calif.)20
- National Energy Information Center (U.S.)15
- North American Cartographic Information Society12
- Cartography Associates6
- University of Nebraska--Lincoln6
- Stanford Digital Repository5
- Gap Analysis Program (U.S.)3
- Instituto Nacional de Estadística, Geografía e Informática (Mexico)3
- International Rice Research Institute3
- University of California, Berkeley. Museum of Vertebrate Zoology3
- Canada Centre for Mapping2
- National Marine Protected Areas Center (U.S.)2
- University of Richmond. Digital Scholarship Lab2
- California. Department of Fish and Game. Marine Resources Region1
- International Heat Flow Commission1
- National Geospatial Program, The National Map Small Scale1