First airplane landed in Yosemite Valley, May 27. Lt. J. S. Krull, pilot, alone. USNPS, 1919, pp. 183, 190.
LeConte Memorial Lectures instituted. USNPS, 1919, p. 194.
1920
Construction started on all-year highway up Merced Canyon. USNPS, 1920, p. 110.
Rangers’ Club House built. USNPS, 1920, pp. 113, 250.
Yosemite National Park Co. founded. USNPS, 1920, p. 248.
Yosemite educational work started by H. C. Bryant, A. F. Hall, L. H. Miller, and Enid Michael. Yosemite Museum planned. USNPS, 1920, pp. 113, 245, 253; Hall, 1930; YNHA, 1932, pp. 2-3.
California valley elk brought to Yosemite. USNPS, 1920, p. 250; 1921, p. 196.
Big Trees Lodge built at Mariposa Grove. Tresidder, D. B., p. 72.