Creator
- United States. Bureau of the Census. Geography Division20
- United States. Bureau of Transportation Statistics2
- Vanderbilt Engineering Center for Transportation Operations and Research2
- Waterborne Commerce Statistics Center (U.S.)2
- Albania. State Authority for Geospatial Information1
- California. Metropolitan Transportation Commission1
- Georgia. National Agency for Public Registry1
- Institute for Water Resources (U.S.). Navigation Data Center1
- Kosovo Cadastral Agency1
- Latvian Geospatial Information Agency1
- Macedonia (Republic). Agency for Real Estate Cadastre1
- Republic Geodetic Authority (Serbia)1
- Serbia. National Agency for Cadastre and Land Registration1
- U.S. Department of Commerce, Bureau of the Census, Geography Division1