- Bay Area Open Space Council78
- Conservation Lands Network77
- GreenInfo Network (Firm)77
- San Francisco Bay Area Upland Habitat Goals Project77
- California. Metropolitan Transportation Commission36
- MTC32
- California. Farmland Mapping and Monitoring Program16
- Golden, Nadine E.15
- Pacific Coastal and Marine Science Center14
- Hartwell, Stephen R.11
- Johnson, Samuel Y.11
- Geographic Information Systems, Sonoma County (Calif.)., California 9
- Manson, Michael W.9
- U.S. Department of Commerce, Bureau of the Census, Geography Division8
- Geographic Information Systems, Sonoma County, California 5
- County of Sonoma GIS Central3
- County of Sonoma ISD GIS Central3
- Dartnell, Peter3
- Dieter, Bryan E.3
- Endris, Charles A.3