Creator
- County of Marin2
- Jones Stokes2
- Santa Cruz County GIS2
- Butte County (Calif.) -- Geographic Information Systems1
- CDF, USGS, Sonoma Ecology Center: Compiled by County of Sonoma ISD GIS Central1
- California. Department of Water Resources1
- County of Napa ITS Department1
- Department of Public Works1
- Federal Emergency Management Agency (FEMA)1
- Kern County (Calif.) -- Engineering, Surveying and Permit Services1
- MarinMap1
- Napa County Conservation Department1
- Navarro, Fernando1
- Office of Emergency Services1
- Placer County (Calif.) -- Community Development Resource Agency1
- Powell, Susan1
- Sacramento County GIS1
- San Joaquin County, Community Development, Geographic Information Systems1
- Shasta County (Calif.)1
- Teale Data Center1