Creator
- Resources Legacy Fund Foundation1
- San Joaquin County (Calif.). Community Development Department1
- San Joaquin County, Community Development, Geographic Information Systems1
- Santa Clara County (Calif.). Planning Office1
- Stephen P. Teale Data Center (Calif.).1
- Tehama County Public Works1
- United Nations Office for the Coordination of Human Affairs1
- United States Fish and Wildlife Service1
- United States Geological Survey1
- United States. Department of Commerce1
- United States. Environmental Protection Agency1
- United States. National Marine Fisheries Service1
- United States. National Ocean Service1
- United States. National Oceanic and Atmospheric Administration1
- Vestra Resources Inc. Redding, CA1
- World Resources Institute1
- Yoklavich, Mary M.1
- Yolo County, Public Works Division, Planning Services 1
- compiled from US Geological Survey sources by Brian B. Quinn, Ph.D. GISP1