Successes

National Impact:

  • For the first time in the world, a national debate took place on preserving the wilderness.
  • The National Park Service Act was enacted into law in 1916.
Audio Interview: Dr. Nash on the success of the National Park system

Local Impact:

  • O'Shaughnessy dam was completed in 1923 and would eventually supply water to around 2.4 million people.
  • The Hetch Hetchy Railroad was formed to transport goods.
Audio Interview: Dr. Brechin on the high quality of water that has come from the damming
Picture
Hetch Hetchy Valley Today
source: Restore Hetch Hetchy

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