Creator
- United States. Department of Housing and Urban Development16
- United States. Bureau of Transportation Statistics15
- Environmental Systems Research Institute (Redlands, Calif.)11
- Geological Survey (U.S.)9
- Gap Analysis Program (U.S.)3
- United States. Bureau of the Census. Geography Division3
- United States. Federal Highway Administration3
- United States. Federal Aviation Administration2
- Vanderbilt Engineering Center for Transportation Operations and Research2
- Waterborne Commerce Statistics Center (U.S.)2
- Beningo, Steve1
- Blades, Doug1
- Liu, Zhi1
- Lubkin, Samantha1
- National Atlas of the United States1
- U.S. Census Bureau. Geography Division1
- United States Geological Survey1
- United States. Bureau of Customs and Border Protection1
- United States. Federal Highway Administration. Office of Highway Policy Information1
- United States. Office of the Deputy Under Secretary of Defense (Installations and Environment)1