Classic Blue Line Map of Placer County, California, in 1916

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280. [MAP]. DENNY, Edward & Co. Denny’s Pocket Map of Placer County California Compiled from Latest Official and Private Data. Edward Denny & Co. Map Publishers 1132 Shotwell St. San Francisco. Copyright 1916 by Edward Denny & Co. San Francisco: Edward Denny & Co., 1916. Blue line map (12 panels mounted on cartographic cloth, as issued), depicting steam and electric railroad lines, wagon roads, trails, towns, creeks, National Forest Reservations, power lines, etc., overall sheet size: 60 x 106 cm. Very fine. OCLC notes copies at two university libraries: University of California (Berkeley, Earth Science, 4 copies, each with differing annotation for land ownership, irrigation, schools, utilities), and University of California (Davis).

      First edition of a classic Denny blue line map. Placer County stretches from the suburbs of Sacramento to Lake Tahoe and the Nevada border. It was here that James Marshall discovered gold on the American River near Auburn and instigated the Gold Rush accompanied by a mushrooming of mining sites and towns. Edward Denny was actively engaged in creating maps in San Francisco from the 1890s through the first decades of the 20th century. This finely detailed map is typical of Denny’s precise cartographic work using the blue line method, which by the time of this map had become the favored medium for accurate, official, inexpensive map reproduction. But Denny was not confined to blue line maps, and one of the most popular maps he worked on was Blum’s 1896 fully colored Map of California Roads for Cyclers.


Auction 23 Abstracts

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