1907
Yosemite Valley Railroad opened to travel. YNP, 1907, p. 5; Radcliffe; Bartlet. Del Portal, the railroad hotel at El Portal, shown in Williams, p. 143.
Extensive telephone system installed in park. YNP, 1907, p. 8.
Yosemite cemetery given permanent marking with boundary of trees. YNHA, 1932, pp. 1-4.