Long Beach, Calif [cartographic material] / Department of the Interior, U.S. Geological Survey ; topography by C.A. Ecklund ; underwater contours by U.S. Coast and Geodetic Survey ; control in part by U.S. Coast and Geodetic Survey
Scale 1:24,000 Polyconic projection, North American datum.
Note:
Relief shown by contours; depths shown by contours. "Surveyed in 1923." On verso: Topographic maps of the United States, explanatory text and conventional symbols. Maps Library copy is encapsulated.