Planet Earth News: Protecting O’Shaugnessy Dam in Yosemite National Park

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PHOTO: SIERRA CLUB, WILLIAM E. COLBY MEMORIAL LIBRARY
John Muir, the founder of the Sierra Club, in Hetch Hetchy Valley.

Environmental planet earth news brief about Interior Secretary Donald P. Hodel’s suggestion to tear down O’Shaugnessy Dam in Yosemite National Park.

Environmental Planet Earth News

Interior Secretary Donald P. Hodel stunned California
environmentalists and politicians August 6 when he

  • Published on Nov 1, 1987
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