Creator
- Tobin, B. D.1
- U.S. Census Bureau. Geography Division1
- United States. Agricultural Research Service1
- United States. Bureau of Transportation Statisticsf1
- United States. Environmental Protection Agency1
- United States. Federal Highway Administration. Office of Highway Policy Information1
- United States. Forest Service1
- United States. Office of the Deputy Under Secretary of Defense (Installations and Environment)1
- Weary, David J.1