Summer train service to Yosemite effective May 30th, 1941 and daily until September 2nd, 1941 air conditioned Pullman cars will be operated between El Portal and San Francisco on the following schedule ... [caption title]. Merced, California: Yosemite Valley Railway, 1941. Broadside, 28x21.5 cm, printed in red and black. A fine copy. (#167580).