Map of the State of California : compiled from the most recent surveys and explorations, and comprising an accurate description of the county boundaries, according to an Act passed by the Legislature, April 25th, 1851 also a complete delineation of the gold region, post office routes &c
Northern California well depicted with the southern half of the State less so. Lists post offices and county seats. Seal of California (signed J. H. Peirce). MS note: 575. Prime meridian: GM. Relief: hachures. Graphic Scale: Miles. Projection: Pseudocylindrical. Printing Process: Lithography. Verso Text: MS note: 575.