Blogs: Roadside Geology of Southern California Blog: I-5 and CA 99: Gorman to Bakersfield (updated 22 April 2016) Blog: US 101 – Buellton to Santa Maria (updated 22 April 2016) Blog: CA 1 – Lompoc to Guadalupe (updated 22 April 2016) Blog: CA 23 – Burnt Shale and Pico Formation (updated 22 April 2016) Blog: CA 27 – Topanga Canyon (updated 22 April 2016) Blog: CA 58 – Bakersfield to Tehachapi (updated 22 April 2016) Blog: CA 60 – East Los Angeles to Beaumont (updated 5 May 2016) Blog: CA 76 – Oceanside to Lake Henshaw (updated 22 April 2016) Blog: CA 118 – Moorpark to Granada Hills (updated 22 April 2016) Blog: CA 166 – Santa Maria to Cuyama (southern Coast Range) (updated 22 April 2016) Blog: Malibu Canyon – Los Angeles County Road N 1 (updated 22 April 2016) Blog: San Diego County Road S 2 – Ocotillo to Warner Springs (updated 22 April 2016) Blog: Salton Sea Sand Dunes (updated 22 April 2016) Blog: Whitewater Canyon (updated 11 August 2016) Return to Home Page AdvertisementShare this:TwitterFacebookLinkedInEmailPrintLike this:Like Loading...