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One of my favorite spots! https://images.squarespace-cdn.com/content/v1/63bcacb6948bd367465b5bf1/0783ef60-e67f-4669-b26f-a72859b15d90/IMG_0080.JPG Photos Group at Devil's Postpile near Mammoth Lakes, CA. https://images.squarespace-cdn.com/content/v1/63bcacb6948bd367465b5bf1/d10527ce-17bc-44eb-af42-5500b9e17e2d/IMG_0215.JPG Photos Group at Devil's Postpile near Mammoth Lakes, CA. https://images.squarespace-cdn.com/content/v1/63bcacb6948bd367465b5bf1/c9c53863-dcb9-4a4e-9bcb-c16b09db6e00/IMG_0190.JPG Photos Yours truly at the entrance to Convict Lake, eastern Sierra Nevada Mountains, CA. https://www.rockstargeotours.com/geotours daily 0.75 2024-05-02 https://images.squarespace-cdn.com/content/v1/63bcacb6948bd367465b5bf1/55f54fb4-9417-4304-bfac-d5c55728fe74/Stewards+Talk+6.15.24.jpg https://images.squarespace-cdn.com/content/v1/63bcacb6948bd367465b5bf1/4f38f561-e080-4d59-8ed3-565774d06b98/image_50456833.jpg https://images.squarespace-cdn.com/content/v1/63bcacb6948bd367465b5bf1/c5732fa4-658b-404a-878b-52f2f99c0b5f/IMG_0032.jpg https://images.squarespace-cdn.com/content/v1/63bcacb6948bd367465b5bf1/3654cbb1-d809-4154-8c65-9715543f437b/cedars-gallery2.jpg https://images.squarespace-cdn.com/content/v1/63bcacb6948bd367465b5bf1/799d6e5a-6895-4118-880d-9cd7e33ed273/Bodega-Bay-field-trip-SCR.jpg https://images.squarespace-cdn.com/content/v1/63bcacb6948bd367465b5bf1/a3fe3dca-efa9-443f-85de-72d177c1a434/me+teaching+Shell+Beach.jpg https://www.rockstargeotours.com/store daily 0.75 2023-04-08 https://www.rockstargeotours.com/store/p/sonoma-county-geology-t-shirt monthly 0.5 2023-09-18 https://images.squarespace-cdn.com/content/v1/63bcacb6948bd367465b5bf1/1680916898877-J5RP8FRH7FU83M7E80LJ/g200_20_z.jpg Store - Sonoma County Geology t-shirt https://images.squarespace-cdn.com/content/v1/63bcacb6948bd367465b5bf1/1681499071371-HS8YANLVBU6NOC0GQ3PT/IMG_3913.jpg Store - Sonoma County Geology t-shirt https://images.squarespace-cdn.com/content/v1/63bcacb6948bd367465b5bf1/1680917032169-RZAUT84NC589C93V0PM5/g200_20_z_bk.jpg Store - Sonoma County Geology t-shirt https://images.squarespace-cdn.com/content/v1/63bcacb6948bd367465b5bf1/1680917046252-8QM4PHRATTIA7ZVYJF35/g200_20_z_sd.jpg Store - Sonoma County Geology t-shirt