Map of Mariposa County issued by the Progressive Map Co. Fresno California copyrighted 1916 by Progressive Map Co. Fresno, Cal. Progressive Map Service, 1916. Blue line map, 42x51 cm (16 1 2 x 20 inches), folded into original brown wrappers printed in black. Inset map is "Interior Department Map of Yosemite Valley," with table of distances. The main map shows drainage, roads, railroads, township and section lines, and points of interest. Cover title reads "Map of Mariposa County, California[.] paved highways[,] roads, railroads, electric lines[,] cities, towns, streams, lakes, sections[.] townships and other information[.] Issued by Progressive Map Service[.] Dan W. Chamberlin[.] Engineers -- Designers Map Publishers Fresno - California price 50 cents." Dan W. Chamberlin was a civil engineer, a member of the California State Highway Commission, and later an assistant to Chris P. Jensen, Fresno County Surveyor and Chief Highway Engineer. Some wear and soiling to wrappers, small abrasion at lower edge of front cover obscuring printed price, spine crease splits with internal archival tape mends; map in fine condition. OCLC reports three copies: Mariposa County Library, the Huntington Library, and the University of California, Berkeley. (#167074).
No statement of printing.