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Seller's Description:
Fine in Fine jacket. Book. 4to-over 9¾"-12" tall. Dark blue leatherette, lettered in red. Slightly cocked binding, minor foxing to endpapers, otherwise as issued. Color illus. dust jacket as issued, now in mylar. 298 pp., illus. 2nd ptg. : 1990.
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Seller's Description:
OVERSIZED HARDBACK w/Dustjacket includes 480 illustrations, maps. and photographs some shelf wear in protective mylar cover, Shiny near Fine copy! FREE USPS TRACKING NUMBER! No Priority/International except by special arrangement! The Hetch Hetchy project had its beginning in early 1900s when the City and County of San Francisco gained generous rights to the Tuolumne River watershed in 1910. The project centered on damming the main Tuolumne River as it meandered through Hetch Hetchy, a wide glacial-cut valley almost as grand as Yosemite. The river, with its source in a perpetual glacier on 13, 000-foot-high Mount Lyell, drains 650 square miles of watershed in rugged granite mountains sloping west from the Sierra Nevada crest. The Hetch Hetchy water system design had an ultimate goal of providing 400 million gallons of water per day to San Francisco and the growing Bay Region. The struggle over property rights, water rights, environmental and tourism issues, and the preservation of the beauty of the Hetch Hetchy Valley went on for twelve years. John Muir fought for environmental protection and led the Sierra Club in a campaign to protect the Hetch Hetchy Valley, a part of Yosemite National Park, from being filled with a reservoir. This battle was one of the first grassroots lobbying efforts, getting citizens to contact elected officials. Despite opposition, the Raker Act of 1913 was passed by the U. S. Congress and signed by President Woodrow. In February 1916, the Hetch Hetchy rail line began as a connection of the Sierra Railway at Hetch Hetchy Junction, fifteen miles west of Jamestown and extended another sixty-eight miles to the O Shaughnessy Dam site for delivery of materials. The Sierra Railway also delivered dry cement to the dam site for several years. The project headquarters and the Hetch Hetchy rail line Maintenance Facility were located in Groveland from 1915-1925. The vast undertaking created miles of tunnels, peripheral dams and reservoirs, hydroelectric power houses, and a 150-mile aqueduct to deliver the water and electricity to the Bay Area. Of the many dams, reservoirs, and power plants, three were in the high country of Tuolumne County. The main and largest, O Shaughnessy Dam (named after the Project Manager Michael O Shaughnessy) and Hetch Hetchy Reservoir are located in the Hetch Hetchy Valley. The main dam was built in two phases, initially built to a height of 226 feet in 1923; later it was raised to 312 feet in 1938. The later raising of the dam was supported by the Sierra Railroad under contract to refurbish track, operate and deliver materials on the original Hetch Hetchy rail line. Later phases of the Hetch Hetchy system in the 1960s increased storage to serve expanded water supply and electric power requirements. Large pipes called penstocks channeled water down the mountain to the main Moccasin Power Plant completed in 1925. Completing the final leg into the Bay Area, the Hetch Hetchy Dumbarton Pipe Line Bridge was constructed solely to suspend the penstocks used to travel over the San Francisco Bay to the final water distribution system. It was 1934, when the first Hetch Hetchy water was delivered to the Bay Area.