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Author
- Circuit Rider Productions103
- California Geological Survey17
- California. Division of Mines and Geology12
- California. Department of Conservation9
- California. Farmland Mapping and Monitoring Program4
- Bob Coey2
- California. Department of Fish and Game2
- Colin Brooks2
- Derek Acomb1
- United States. National Marine Fisheries Service1
- United States. National Oceanic and Atmospheric Administration1