1870
Albert Snow built trail to flat between Vernal and Nevada falls. Calif. Legis., p. 170; Minturn, p. 264; Lester, p. 197.
Central Pacific built to Modesto. Ingram.
Copperopolis branch of Central Pacific built. Ingram.
Joseph LeConte made his first trip to Yosemite. LeConte, 1903, p. 247.
La Casa Nevada was built by Albert Snow above Vernal Fall. Buckley, p. 25; YNHA, 1930, p. 4.
John Muir explored the Grand Canyon of the Tuolumne. SCB, 1924; Farquhar, 1926, pp. 96-97.