AUTOMOBILE ROADS OF ALAMEDA COUNTY CALIFORNIA[.] ISSUED BY THE BOARD OF SUPERVISORS OF ALAMEDA COUNTY ... [cover title]. Oakland: Board of Supervisors of Alameda County, 1917. Single sheet, 38x78 cm (approximately 15x35 inches), folded to make 32 panels. Printer's imprint on outer rear panel: "Copyright 1917 by Kelley-Davis Company, Printers, Oakland." Detailed color map, "Alameda County, California[,] Showing the Automobile Roads and Principal Points of Interest[,] Distances in Miles from Oakland City Hall," identifying roads, rail lines, industrial sites (oil wells, salt works, etc.) and other features of interest. Three columns of text headed "Motoring" describes trips for the motorist, "no two alike ... All points of interest, public institutions and principal hostelries are pictured on the map, making this a ready reference to any point in the county and showing the easiest way to reach it." The verso is two maps, a large map of the Pacific states from the Mexican border to the Canadian border, with thirteen routes and tours highlighted (including a Yosemite tour and Lake Tahoe tour) and a smaller map of the Lincoln Highway and laterals. Includes an advertisement for the Southern Pacific Company. Not in Rocq. Closed tear along the fold of one section, a very good copy. OCLC reports two copies, California Historical Society and University of California, Berkeley. (167643).