Outline map of Los Angeles County boundaries from 1850 to 1937. Fluctuating from 1850 through 1889, the boundaries at various times extended from the Nevada and Arizona borders in the east to parts of Kern and Ventura in the north and Orange County in the south. The boundaries set in 1889 countinue to the present.
Maps Los Angeles County (Calif.)--History Los Angeles County (Calif.)--Boundaries Los Angeles County (Calif.)--Maps Works Progress Administration Collection photographs
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