Irrigation map of southern California.

U.S. Dept. of Agriculture, Bureau of Public Roads, Irrigation Investigations.|~|"Revised and redrawn 1920 in cooperation with California State Dept. of Engineering; College of Agriculture, University of California; California State Water Commission."|~|Covers the area from Owens Lake over to Santa Barbara County, south to the Mexican border.|~|Includes location map and inset of Owens Valley.|~|Relief represented by shading.|~|Shows agricultural areas, irrigated areas, irrigation canals, boundaries of irrigation districts, principal hydroelectric plants, U.S. Geological Survey and private stream gauging stations, and rainfall stations.|~|<a href="http://catalog.library.ucla.edu/vwebv/holdingsInfo?bibId=3470545">UCLA Catalog Record</a>

United States. Bureau of Public Roads.

1922

The Bureau

1:506 880

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