The Fight for Hetch Hetchy
The proposed O’Shaughnessy Dam in the Hetch Hetchy Valley of Yosemite National Park precipitated a national environmental debate from 1908 to 1913. In 1913 the congress permitted construction and it was completed in 1923.
The proposed O’Shaughnessy Dam in the Hetch Hetchy Valley of Yosemite National Park precipitated a national environmental debate from 1908 to 1913. In 1913 the congress permitted construction and it was completed in 1923.