Motorists guide Yosemite National Park open all year 1937[.] United States Department of the Interior Harold L. Ickes, Secretary National Park Service Arno B. Cammerer, Director. [cover title]. Washington, D. C. Department of the Interior National Park Service, 1937. Folded map printed in red, yellow, purple, blue, brown, and black. Single sheet, 69x51.5 cm (27 x 20 inches), folded to make 30 panels, 23x10.3 cm (9 x 4 inches). 2 illustrations, including title panel illustration. The principal large-scale map is titled "Yosemite National Park." Smaller maps are: "Automobile Routes" (a map showing western National Parks with principal connecting automobile highways, mis-captioned "Approach Roads to Yosemite National Park"), "Yosemite Valley" (a map showing roads, tourist facilities and points of interest in Yosemite Valley) and "Map Showing All Routes to Yosemite National Park." Recto is title panel and information for visitors captioned "Welcome to Yosemite National Park." Imprint: "Printed by U. S. Geological Survey." Very good or better. This copy has "1938 CORRECTIONS" rubber-stamped on the title panel. (#166717).