Vol. XX, No. 1 (February, 1935). Light cover soiling; else very good. 
This issue contains "Snow-Shoe Thompson" by Dan De Quille, "Why We Should Measure Our Glaciers" by François E. Matthes, "A Way to Bring Back the Native Bignorn to Yosemite" by Joseph Grinnell, "Rock Climbers' Paradise" by Doris F. Leonard, "From Yosemite to Kings River Canyon, 1896" by Walter A. Starr, "Far from the Madding Mules" by David R. Brower, "The Story of Mount Whitney (Part II)" by Francis P. Farquhar, etc. Illus. with photos by Ansel Adams, et al.