Arboretum established, and first plans for a Yosemite Museum made at Wawona. YNP, 1904, p. 20; YNHA, 1930, pp. 17-18. 1905 Area of Yosemite National Park reduced. Mount Ritter region and Devils Postpile eliminated. Yosemite Park Commission; YNP, 1905, p. 5; 1906, p. 8. Capt. H. C. Benson, Acting Superintendent. YNP, 1905; SCB, 1925, pp. 175-179. Yosemite Valley and Mariposa Grove re-ceded to United States. Superintendent’s headquarters (Major H. C. Benson) moved to Yosemite Valley. YNP, 1905, pp. 5-6; 1906, p. 6; Badè, 1923-1924, 2: 355; Colby, 1938, pp. 11-19. Last “hold up” of a Yosemite stage (Raymond-Wawona run). Yosemite Tourist, 1906. 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. 1908 Hetch Hetchy rights granted to San Francisco. YNP, 1908, p. 14. Camp Ahwahnee established at foot of Sentinel Rock by W. M. Sell. YNP, 1908, pp. 11, 12; Tresidder, D. B., p. 37. Pacific Telephone and Telegraph Co. built telegraph line from El Portal to Sentinel Hotel. YNP, 1908, p. 9. Supervisor Gabriel Sovulewski, Acting Superintendent, Oct. 25 (to April 27, 1909). YNP, 1909, p. 5. 1909 Major W. W. Forsyth, Acting Superintendent. YNP, 1909. 1910 Death of Galen Clark, March 24, age 96. YNP, 1910, p. 15; 1911, p. 8. 1911 Tenaya Lake Trail completed. YNP, 1910, p. 10; 1911, p. 8. Devils Postpile made a national monument by President Taft. SCB, 1912, pp. 170-173, 226-227. Galen Clark Memorial Seat built. YNP, 1911, p. 12. 1912 Yosemite hospital built by U. S. troops. YNP, 1912, p. 12; Tresidder, D. B., p. 157. Sierra Club purchased Soda Springs property at Tuolumne Meadows. Farquhar, 1926, p. 58. 1913 Major William T. Littebrant, Acting Superintendent. YNP, 1913. Automobiles admitted to Yosemite Valley. YNP, 1913, p. 12. Raker Act authorized use of Hetch Hetchy Valley as reservoir; approved by President Wilson, Dec. 19. Farquhar, 1926, p. 39; Johnson, R. U., pp. 307-313; Wolfe, 1945, pp. 339-346. 1914 Civilian employees replaced the military in administration of Yosemite. Mark Daniels, first superintendent. USNPS, 1916, p. 4; Calif. State Mineralogist, p. 61.