Sonoma County, CA

aerial photograph of the Petaluma Speedway at the Sonoma-Marin Fairgrounds.  The East Washington Place shopping center and US Highway 101 are in the background,  Petaluma, Sonoma County, California.
aerial photograph of the Petaluma Speedway at the Sonoma-Marin Fairgrounds. The East Washington Place shopping center and US Highway 101 are in the background, Petaluma, Sonoma County, California.