This magnificent 1854 map is one of the rarest and most sought after early Land Survey maps of California.  Covers the entire state with very good detail in the San Francisco Bay area, along the Central Valley, and in the Sierra Madres.  Otherwise, includes a wealth of detail indicating the extant of what we knew about Californian geography at the time. Notes the massive Tulare Lake, once the largest freshwater lake in North America, practically a sea, which has since been drained for irrigation purposes.  Prepared by P.S. Duval &amp; Company Steam Lithograph Press of Philadelphia, PA for inclusion with the 1854 issue of the  Report of the Surveyor General .
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1854 (dated)
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