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The Hetch Hetchy Valley began as a V-shaped river canyon cut out by the ancestral Tuolumne River. About one million years ago, the extensive Sherwin glaciation widened, deepened and straightened river valleys along the western slope of the Sierra Nevada, including Hetch Hetchy, Yosemite Valley, and Kings Canyon farther to the south. [12]
The most prominent figure in the Hetch Hetchy debate was the Sierra Club and its founder, John Muir. They opposed the Raker Act purely from an environmentalist standpoint. John Muir saw the Hetch Hetchy Valley as a prized natural resource and called it "one of Nature's rarest and most precious mountain temples". [7]
The system starts in Hetch Hetchy Valley, inside Yosemite National Park. The system also generates up to 400MW of electrical power, depending on rainfall, most of which is sent to San Francisco via city-owned power lines. [63] After water leaves Hetch Hetchy, it passes through tunnels towards powerhouses. Three pipes then bring the water across ...
The Hetch Hetchy Valley is in the northwest corner of Yosemite National Park, which was established in 1890. Even before the establishment of Yosemite National Park, the city of San Francisco began considering the Tuolumne River and Hetch Hetchy Valley as a possible location for a reliable water source. This sparked a social and political ...
Olney Sr. co-founded the Sierra Club in his law office with naturalist John Muir, and others, but was later expelled from the organization because he supported the flooding of Hetch Hetchy Valley to supply water to San Francisco. Olney Sr. was mayor of Oakland, California from 1903 to 1905. [1] [2]
Less crowded than Yosemite Valley, whose roads have been choked with visitors, Hetch Hetchy Valley is a half-forgotten realm filled with granite walls, tall falls and wildflowers.
One such ally was the new junior senator from Montana, Thomas J. Walsh, whose support was key to the passage of the Hetch Hetchy legislation. While Walsh dissented from Lane's policies on national parks, for example by supporting local control of development in his home state's Glacier National Park , he sided with him on subjects ranging from ...
John Muir (/ m jʊər / MURE; April 21, 1838 – December 24, 1914), [1] also known as "John of the Mountains" and "Father of the National Parks", [2] was a Scottish-born American [3] [4]: 42 naturalist, author, environmental philosopher, botanist, zoologist, glaciologist, and early advocate for the preservation of wilderness in the United States.