Creator
- California. Department of Fish and Game. Marine Resources Region3
- Kelso, Nathaniel Vaughn2
- Patterson, Tom2
- United States. Bureau of Transportation Statistics2
- United States. National Geospatial-Intelligence Agency2
- Waterborne Commerce Statistics Center (U.S.)2
- California. Metropolitan Transportation Commission1
- Institute for Water Resources (U.S.). Navigation Data Center1
- National Atlas of the United States1
- United States. Bureau of Transportation Statisticsf1
- Vanderbilt Engineering Center for Transportation Operations and Research1