Creator
- Geological Survey (U.S.)8
- National Atlas of the United States7
- United States. Bureau of Transportation Statistics5
- Environmental Systems Research Institute (Redlands, Calif.)3
- Canada Centre for Remote Sensing2
- Institute for Water Resources (U.S.). Navigation Data Center2
- Instituto Nacional de Estadística, Geografía e Informática (Mexico)2
- United States. Bureau of the Census. Geography Division2
- Vanderbilt Engineering Center for Transportation Operations and Research2
- Waterborne Commerce Statistics Center (U.S.)2
- Carey, Mathew, 1760-18391
- Geological Survey (U.S.). Water Resources Division. Wisconsin District1
- Rawson, Peg1
- Stanford University. Center for Spatial and Textual Analysis1