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San Francisco begins to consider Hetch Hetchy Valley as one of several places for the location of a reservoir.
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San Francisco Mayor James Phelan first proposes damming the Hetch Hetchy Valley to create a reservoir for San Francisco.
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Yosemite National Park is established, including Yosemite Valley's less famous cousin, Hetch Hetchy.
Today it is still an important national park. -
The Sierra club is formed
The Sierra Club is an environmental organization in the United States. -
Mayor James Phelan first files for water rights in the Hetch Hetchy Valley - using his own name.
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Mayor Phelan applies to the Interior Department for a permit for water storage in Hetch Hetchy Valley. Secretary of the Interior Ethan Hitchcock promptly denies the request
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Pinchot was appointed the head of the re-organized Forest Service. It was his management philosophy that all of the nation's natural resources were available for human development - so long as that use was prudent and sustainable.
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San Francisco city officials meet with Secretary Garfield on July 24 to lobby for damming Hetch Hetchy.
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Woodrow Wilson is elected President, and would appoint former San Francisco City Attorney Franklin Lane as Secretary of the Interior. Lane supports damming Hetch Hetchy, though he never visited it.
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Congress passed legislation that enabled the creation of a dam in the Hetch Hetchy Valley. President Woodrow Wilson signed the bill into law.
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he Raker Bill, which eventually became the Raker Act, granting the city of San Francisco the right to dam the Hetch Hetchy Valley as a reservoir, and the unfulfilled right of municipalized electricity for the city.
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Last Sierra Club outing to Hetchy Hetchy Valley. John Muir dies on December 24.
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San Francisco voters approve $25 million for a second pipeline for the Hetch Hetchy system.
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Tuolumne County Superior Court Judge Kevin M. Seibert ruled on April 28, 2016 against Restore Hetch Hetchy's lawsuit following a demurrer and motion to strike from the City of San Francisco.
