Title from envelope. Relief shown by contours, shading and spot heights. "Geology compiled 2002-2004." "Onshore base (hypsography, hydrography, and transportation) from U.S.G.A. digital line graph (DLG) data, San Diego 30ʹ x 60ʹ metric quadrangle. Shaded topographic base from U.S.G.A. digital elevation models (DEM's). Offshore bathymetric contours and shaded bathymetry from N.O.A.A. single and multibeam data. Projection is UTM, zone 11, North American Datum 1927." "Preparation in cooperation with the U.S. Geological Survey, Southern California Areal Mapping project." Includes location diagram, abbreviated explanation, onshore map symbols, offshore map symbols, and abbreviated index to geologic source data. Plate 1 of 2 is map. Plate 2 in booklet back pocket (2 charts : col ill. ; on sheet 71 x 46 cm.): Correlation of map units for the Geologic map of the San Diego 30ʹ x 60ʹ quadrangle, California -- Chronology of marine terraces and their deposits.