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Yosemite National Park

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S. 203, A Bill authorizing a Grant...
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S. 203, A Bill authorizing a Grant to…California of the “Yosemite Valley,” and…the “Mariposa Big Tree Grove,” June 30, 1864

This bill, signed into law by President Lincoln on June 30, 1864, represents the first time the federal government acted to protect and preserve scenic lands.  Conservationists persuaded Senator John Conness of California to introduce a bill to keep Yosemite Valley from being ruined by increasing commerce and tourism. The bill granted Yosemite to California.

 

Records of the U.S. Senate, National Archives and Records Administration

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