
Encore: National Parks | Rough Rider | 3
American History Tellers
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The Yellowstone Park
President Roosevelt visited the grand canyon on his last day in yellowstone park. He was shocked to discover that it could be opened up for mining. The trip helped him recognize that even the country's greatest natural treasures were threatened by commerce and development. His time with john mure in yosemite would change the course of the American conservation movement.
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