Answer:
John Muir was John Muir (1838-1914) was America's most famous and influential naturalist and conservationist. He is one of California's most important historical personalities. this was the impact - Muir's three-night camping trip with President Theodore Roosevelt in 1903 could be considered the most significant camping trip in conservation history. He was able to persuade Roosevelt to return Yosemite Valley and the Mariposa Grove to federal protection as part of Yosemite National Park.
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