Official map of the County of Los Angeles, California : compiled from the official maps /

Relief shown by hachures and spot heights.
Cadastral map showing drainage, roads, railroads, land ownership, landowners' names, ranchos, tracts, township & section lines, etc.
" ... this map has been adopted by the Board of Supervisors ... for the purpose of defining all lines which are the boundaries of school and road districts, judicial townships and election precincts."
Includes inset of Santa Catalina and San Clemente Islands.
LC Land ownership maps, 24
Available also through the Library of Congress Web site as a raster image.