Citation Info Kvitek, Rikk G.. Bretz, Carrie K.. Dartnell, Peter. Johnson, Samuel Y.. Cochrane, Guy R.. Pacific Coastal and Marine Science Center. Seafloor Mapping Lab. Golden, Nadine E.. (2013). Backscatter A (8101): Offshore of San Gregorio, California, 2007. [GeoTIFF]. Geological Survey (U.S.). Retrieved from https://geodata.lib.berkeley.edu/catalog/stanford-bf966dq3244