- United States. Department of Housing and Urban Development56
- United States. Bureau of Transportation Statistics9
- National Atlas of the United States7
- United States. Bureau of the Census. Geography Division5
- Geological Survey (U.S.)4
- Kelso, Nathaniel Vaughn4
- Patterson, Tom4
- Environmental Systems Research Institute (Redlands, Calif.)3
- Godt, Jonathan W.2
- Alexander Architectural Archives1
- Canada Centre for Remote Sensing1
- Conrad, Josh1
- Global Resource Information Database1
- Instituto Nacional de Estadística, Geografía e Informática (Mexico)1
- Maples, Stace D.1
- Pierce Meyer, Katie1
- Rawson, Peg1
- Shensky, Michael1
- Trelogan, Jessica1
- U.S. Census Bureau. Geography Division1
