Creator
- MarinMap28
- Margaret Moster3
- Sudden Oak Death Project, Center for the Assessment and Monitoring of Forestry and Environmental Resources (CAMFER) at U.C. Berkeley3
- California State Department of Conservation Division of Mines and Geology1
- Golden Gate Transit1
- Golden Gate Transit District1
- Marin County Community Development Agency1
- Marin County Department of Public Works.1
- Nelson/Nygaard1
- Town of Corte Madera1
- Various sources1
- compiled from US Geological Survey sources by Brian B. Quinn, Ph.D. GISP1