1855
J. M. Hutchings organized first party of sightseers to enter Yosemite. First Yosemite pictures made by T. A. Ayres in June. Bunnell, p. 304; Hutchings, 1862, p. 77; Hutchings, 1886, p. 79; YNHA, 1944, pp. 21-25.
Trail from South Fork (Wawona) built to Yosemite Valley by Milton and Houston Mann. Finished in 1856. Bunnell, p. 304; Brockman, 1943, pp. 53-54.
Galen Clark engaged in surveying ditch to supply water to Mariposa Frémont Grant. Foley, p. 108.
First house, a shack, built in Yosemite Valley by surveyors, including Bunnell. (Use of Yosemite Valley as a reservoir contemplated.) Bunnell, p. 304; Country Gentleman; Whitney, 1870, p. 18.