More
2003 Geologic Map
Geologic map of Cotati Quadrangle 2003 (California Geological Survey) showing Sonoma Volcanics (Tertiary mafic flow and breccias with interbedded tuff breccia; andesite and basaltic andesite). Yellow Qls areas are Holocene and Pleistocene landslides. Gm is roughly the indicated square.
More
