Publisher
- California Geological Survey25
- California. Division of Mines and Geology10
- California. Metropolitan Transportation Commission4
- Food and Agriculture Organization of the United Nations2
- California. Department of Fish and Game1
- California. Department of Fish and Game. Marine Resources Region1
- Environmental Systems Research Institute (Redlands, Calif.)1
- Monterey County (Calif.)1
- National Atlas of the United States1
- U.S. Fish and Wildlife Service1
- World Resources Institute1