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John Muir’s Quest to Save the Great Outdoors

HISTORY This Week

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The Argument for Protecting Hetch Hetchy Valley

The Twalome River exits Yosemite National Park, it narrows down to a mouth that would be very easy to dam. John Muir has explored Hetch Hetchy from the early days before San Francisco expressed any interest in it. The Sierra Club says you can tap other water sources and don't have to destroy this beautiful valley.

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