Signed by President Abraham Lincoln in 1864, the Yosemite Grant set aside Yosemite Valley and the Mariposa Grove of Giant Sequoias for protection, establishing the very idea of today's National Parks. With filmmakers Ken Burns and Dayton Duncan.
4 minutes, 40 seconds
Yosemite Conservancy. This work is licensed under a <a href="http://creativecommons.org/licenses/by-nd/4.0/">Creative Commons Attribution-NoDerivatives 4.0 International License</a>.
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