by Thomas W. Dibblee, Jr.; edited by Helmut E. Ehrenspeck. Relief shown by contours and spot heights; depths shown by contours and soundings. "Prepared with the support and cooperation of the Santa Cruz Island Foundation, Santa Barbara, California." "Robert M. Norris Honorary Map" "First printing, April 2001". Includes 2 col. cross-sections, location map, index map, note on sources of geology, ill., and conversion table. Map of Anacapa Island includes inset of same area with shaded relief; map of Santa Barbara Island includes inset of same area with shaded relief, and 2 col. cross sections. "Geologic map of Anacapa Island, map DF-73A"; "Geologic map of Santa Barbara Island, map DF-73B". Text and ill. on verso. Bibliographies on verso.