Restore Hetch Hetchy is a US non-profit organization seeking to restore the Hetch Hetchy Valley in Yosemite National Park to its original condition. == History == The Hetch Hetchy Valley was sculpted by glaciers as recently as 10,000 years ago (like nearby Yosemite Valley).
Restore Hetch Hetchy is a US non-profit organization seeking to restore the Hetch Hetchy Valley in Yosemite National Park to its original condition. == History == The Hetch Hetchy Valley was sculpted by glaciers as recently as 10,000 years ago (like nearby Yosemite Valley).
Source: Wikipedia "Restore Hetch Hetchy" · CC BY-SA 4.0
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