Vol. XXVI, No. 1 (February, 1941). Light cover wear & soiling; else very good. 
This issue contains "The Kings River Valley" by John Muir, "My First Summer in the Kings River Sierra" by Joseph N. Le Conte, "Early History of the Kings River Sierra" By Francis F. Farquhar, "Legislative History of Sequoia and Kings Canyon National Parks" by Farquhar, "Photography and Cedric Wright" by Ansel Adams, "Mountain Photography" by Cedric Wright, etc.