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On October 28, 1934 – twenty years after the beginning of construction on the Hetch Hetchy project – a crowd of 20,000 San Franciscans gathered to celebrate the arrival of the first Hetch Hetchy water in the city. [48] The Early Intake (Lower Cherry) Powerhouse began commercial operation five years before the O'Shaughnessy Dam was completed.
In late 1908, the citizens of San Francisco approved the allocation of $600,000 in bonds to be used to purchase land and water rights in the Hetch Hetchy Valley to build a dam for a reservoir and aqueduct lines. They also approved a $45 million bond in 1910 to be issued for the construction of all the water infrastructure. [6]
William Mulholland (September 11, 1855 – July 22, 1935) was an Irish American self-taught civil engineer who was responsible for building the infrastructure to provide a water supply that allowed Los Angeles to grow into the largest city in California.
[14] [17] At the time, Hetch Hetchy was an isolated, seldom visited subalpine valley, visited intermittently by gold seekers and sheepherders. However, since 1890, Hetch Hetchy Valley and the surrounding lands had been part of Yosemite National Park and thus off-limits to utility development, let alone at the grand scale proposed by the city. [18]
Hetch Hetchy Railroad #4 (renumbered #1000) in the Travel Town Museum in Los Angeles, 2017 Hetch Hetchy Railroad #4 was built in 1920 by American Locomotive Company . This 2-8-2 Mikado had cylinders with 20-inch (510 mm) bore and 28-inch (710 mm) stroke, 48-inch (1,200 mm) drivers, weighed 97 short tons (88 t) and was had an overall length of ...
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 ...
The Hetch Hetchy Project — in Northern California; Pages in category "Hetch Hetchy Project" ... Pulgas Water Temple; R. Restore Hetch Hetchy; S. San Andreas Lake;
Michael Maurice O'Shaughnessy (28 May 1864 – 12 October 1934) was an Irish civil engineer who became city engineer for the city of San Francisco during the early twentieth century and developed both the San Francisco Municipal Railway (Muni) and the Hetch Hetchy water system.