History of the National Park Service reduce poaching and other misuse of the park, the U.S. Army established a fort in the area in 1881 and began park protection, establishing a pattern that would be continued by later park rangers. In 1875, Mackinac National Park was created on a resort island in Lake Huron in Michigan, the second national park. As at Yellowstone, the army garrison at Fort Mackinac were in charge of supervising and improving the park. The fort and the national park were turned over to state control in 1895. U.S. cavalry units took up a position in California-controlled Yosemite Park in 1891 and
Yosemite National Park visitors to Yosemite Valley. John Muir was a Scottish-born American naturalist and explorer. It was because of Muir that many National Parks were left untouched, such as Yosemite Valley National Park. One of the most significant camping trips Muir took was in 1903 with then president Theodore Roosevelt. This trip persuaded Roosevelt to return "Yosemite Valley and Mariposa Grove to federal protection as part of Yosemite National Park". John Muir wrote articles popularizing the area and increasing scientific interest in it. Muir was one of the first to theorize that the major landforms in Yosemite Valley were created by large