U U. S. Army: pioneer activity in Yosemite, 77-78; in charge of Yosemite National Park, 77, 157-161; and building of trails, 78; Wawona headquarters, 157, 185; and Fort Yosemite, 160; and Yosemite Arboretum, 187; first plans for Yosemite Museum made by, 187; Signal Corps in Yosemite, 192 U. S. Coast and Geodetic Survey, 72 U. S. Forest Service and John Muir Trail, 84, 85 U. S. Geological Survey, 71, 72, 73, 85, 131 U. S. National Park Service: administration of Yosemite, vii-viii, 161-175 _passim_; and trails, 84; establishment of, 161 U. S. Navy and Special Hospital (Ahwahnee Hotel), 116 U. S. Weather Bureau, 187 Upper Hotel, or Hutchings House, 56, 57, 58, 93, 96-99; Big Tree Room, 58 V Vegetation type map, 192 Vining, Lee, 46 Vivian, A. P., quoted, 100-101, 102 W Wagon: first, 55, 179; freight, 64; mud, 64 Walker, Joseph R.: with Bonneville, 3, 4, 5; biographical notes, 3-8; discovery of Yosemite by, 5, 6-8; grave, 7; discoverer of Big Trees, 8 Walker, M. V., 136 Wallace, Miles, 186 Walworth and Hite Hotel, 56, 93 Ward, Marjorie Montgomery, 190 Wartime problems in Yosemite, xii, 116, 149, 173-174, 192, 193 Washburn, Coffman, Chapman, and Company’s: Mariposa Road, 63; Wawona Hotel, 99-101 Watkins, C. E., 181 Wawona: U. S. Army headquarters, 157, 160; as a Nuchu Indian campsite, 36; Galen Clark’s ownership, 50-51; Hotel, 99-101; Fish Hatchery, 185; first Yosemite museum planned for, 187. _See also_ Clark’s Ranch, Clark and Moore’s Wawona basin, acquisition of, 190 Wawona Road, 170, 191 Wawona Tree, 184 Wawona Tunnel, 170, 191 Weed, C. L., photographs by, 55-56 Westfall’s, 51 Wheeler Survey, 71 Whitney, Josiah D., 71, 78, 129-130; quoted, 79 Wilbur, Ray Lyman, 142 Wilcox, Capt. E. F., 186 Wildlife studies, 134-137 Winchell, L. A., writings of, 16 n Winter sports, 90-91, 173 Wolfe, Linnie Marsh, 98 Wood, Capt. Abram Epperson, 158 Wright, George M., 134, 135, 136, 143