Philadelphia: Mitchell, Samuel Augustus Jr., 1872.
Map. Steel engraving with original hand coloring. Image measures 21" x 15".
Beautifully detailed double page map of California divided into counties, showing major towns and cities, routes, railroads and waterways. Includes two insets of San Francisco-one the bay and its vicinity and the other a city plan. Centerfold shows wear. Minor foxing and edge wear, and foxing below center right.
Samuel Augustus Mitchell Sr. (1792-1868) was one of the leaders in American cartography of the 19th century and pioneered the conversion of engraved map plates to more affordable lithographic plates. His son, Samuel Augustus Mitchell Jr. continued his father's successful mapmaking and publishing business, and was one of the most prolific and renowned 19th century American publishers.