Ley Raker — La Ley Raker (Paul Raker Act en Inglés) fue una Ley del Congreso de los Estados Unidos que permitió la construcción de la Presa O Shaughnessy[1] y la inundación del Valle Hetch Hetchy en el Parque Nacional Yosemite en California. La ley, paso por … Wikipedia Español
National Park Service Organic Act — The National Park Service Organic Act (or simply the Organic Act within the National Park Service, conservationists, etc.) is a United States federal law that established the National Park Service (NPS), an agency of the United States Department… … Wikipedia
O'Shaughnessy Dam — This article concerns the dam in the Sierra Nevada mountains. For the one near Columbus, Ohio see O Shaughnessy Dam (Ohio). O Shaughnessy Dam O Shaughnessy Dam in Hetch Hetchy Valley Country United States … Wikipedia
Water in California — Map of water storage and delivery facilities as well as major rivers and cities in the state of California California’s interconnected water system serves over 30 million people and irrigates over 5,680,000 acres (2,300,000 ha) of farmland. As… … Wikipedia
Harold L. Ickes — Infobox US Cabinet official name=Harold LeClair Ickes order=32nd title=United States Secretary of the Interior president=Franklin D. Roosevelt Harry S. Truman term start=March 4, 1933 term end=February 15, 1946 predecessor=Ray Lyman Wilbur… … Wikipedia
History of the Yosemite area — [ Galen Clark was the first guardian of Yosemite Valley and the Mariposa Grove.] The known history of the Yosemite area started with Ahwahnechee and Paiute peoples who inhabited the central Sierra Nevada region of California that now includes… … Wikipedia
San Francisco — This article is about the city and county in California. For other uses, see San Francisco (disambiguation). San Francisco City and county City and County of San Francisco … Wikipedia
1913 — This article is about the year 1913. Millennium: 2nd millennium Centuries: 19th century – 20th century – 21st century Decades: 1880s 1890s 1900s – 1910s – 1920s … Wikipedia
Yosemite National Park — Infobox Protected area name = Yosemite National Park iucn category = Ib caption = locator x = 20 locator y = 84 location = Tuolumne, Mariposa, Madera Counties, California, USA nearest city = Mariposa lat degrees = 37 lat minutes = 50 lat seconds … Wikipedia
Hetch Hetchy Valley — is a glacial valley in Yosemite National Park in California. It is currently completely flooded by O Shaughnessy Dam, forming the Hetch Hetchy Reservoir. The Tuolumne River fills the reservoir. Upstream from the valley lies the Grand Canyon of… … Wikipedia