1852
Eight prospectors entered valley May 2, and two were killed by Indians. Russell, 1926, p. 332.
Lt. Tredwell Moore entered Yosemite with detachment of 2d Infantry in June. Bunnell, p. 275; Elliott, p. 172; Hutchings, 1862, p. 75.
Yosemite Indians took refuge with Mono Indians and were not found by soldiers. Elliott, p. 172.
In August Lt. Moore found promising mineral deposits east of Sierra crest. Bunnell, p. 277.
Mariposa Grove discovered by party of prospectors. Elliott, p. 172; Russell, 1926, p. 332, YNHA, 1929, p. 51.