Relief shown by contours and spot heights. "Contour interval 200 feet with supplementary contours at 100 foot intervals." Fault lines indicated. "Topographic base map prepared by the Army Map Service (KCSX), Corps of Engineers, U.S. Army ... ; land net prepared by the U.S. Geological Survey ... ; minor corrections and additions to culture by California Division of Mines and Geology, 1965." "Second printing, 1971." Explanatory data sheet folded into envelope. Location and index maps on envelope. Accompanied by data sheet: Explanatory data, Sacramento sheet, Geologic map of California / compiled by Rudolph G. Strand and James B. Koenig, 1965. Olaf P. Jenkins ed. [San Francisco, Calif.] : California Division of Mines and Geology, 1965 (second printing 1971). Index map and stratigraphic information shown on explanatory data sheet. Includes location map, index map and index to geologic mapping.