Fenby, Scott S.; Gastil, R. Gordon (1991): Geologic-tectonic map of the Gulf of California and surrounding areas. American Association of Petroleum Geologists, Tulsa, OK, United States, In: Dauphin, J. Paul (editor), Simoneit, Bernd R. T. (editor), The Gulf and Peninsular Province of the Californias, 47, 79-83, georefid:1995-057403