Summer train service to Yosemite effective May 29th, 1942 air conditioned Pullman cars will be operated between El Portal and San Francisco on the following schedule ... [caption title]. Merced, California: Yosemite Valley Railway, 1942. Single sheet, 23.3 x 21 cm, printed on both sides, folded to 23.3x10.5 cm. Schedule for summer 1942. Recto is a cover panel with the same design as the railway's 1942 advertising brochure. A fine copy. (#166741).