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Contact: Leslie Gordon
lgordon@usgs.gov
650-329-4006
United States Geological Survey

Rocky and Sandy Seafloor Offshore California

Caption: This is an image of ripples in sand, next to a rocky surface on the seafloor 2.5 km (1.5 miles) offshore San Mateo County, Calif., at a depth of 24.6 meters (81 feet). The two red dots in the image (from lasers mounted on the camera and used as reference points) are 15 cm (6 inches) apart.

Credit: US Geological Survey

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Related news release: California seafloor mapping reveals hidden treasures


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