Creator
- United States. Bureau of the Census. Geography Division7
- Canada Centre for Remote Sensing6
- Rumsey, David, 1944-6
- Thomas, William G., 1964-6
- Hunt, Raquel4
- Gap Analysis Program (U.S.)3
- Godt, Jonathan W.3
- Hijmans, Robert J.3
- United States. Federal Highway Administration3
- Waterborne Commerce Statistics Center (U.S.)3
- Canada Centre for Mapping2
- Center for Spatial and Textual Analysis2
- Institute for Water Resources (U.S.). Navigation Data Center2
- National Marine Protected Areas Center (U.S.)2
- Rawson, Peg2
- Strocko, Ed2
- United States. Federal Aviation Administration2
- United States. Federal Transit Administration2
- United States. Forest Service2
- United States. National Oceanic and Atmospheric Administration2