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Yosemite National Park Established - October 1, 1890

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Yosemite National Park Established - October 1, 1890

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There is 748,542 acres of land designated to this park. John Muir published two articles about this piece of land. Supporters helped the push for the US Congress to pass the bill in order to make this a National Park

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General Grant National Park Established - October 1, 1890

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General Grant National Park Established - October 1, 1890

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This national park was established to protect the second largest tree in the world. Later in the 1940s, the government merged this park and the Sequoia National Park together to create the Kings Canyon National Park.

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Forest Reserve Act Passed - March 3, 1891

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Forest Reserve Act Passed - March 3, 1891

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This act allowed the president to designate public land into forest reserves. It took two decades to get this law passed because of the concern of exploitative logging. Because of this act, three presidents, President Benjamin Harrison, Grover Cleveland, and William McKinley established a total of 45 million acres of forest reserves.

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This act allows establishments of National Reserves to improve the condition of the reserves. It also requires them to protect the reserves from fires and depredation.

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Theodore Roosevelt in Office - September 14, 1901

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Theodore Roosevelt in Office - September 14, 1901

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Theodore Roosevelt was assumed the President of the US after William McKinley was assassinated on September 6, 1901. Later in 1904, he was elected as president and given a full term. He helped the conservation movement by establishing 150 national forests, 51 federal bird reserves, 4 national game preserves, 5 national parks, and 18 national monuments. In total, it all covers over 230 million acres of land.

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Wind Cave National Park Established - January 9, 1903

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Wind Cave National Park Established - January 9, 1903

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This was the first cave that was designated to a national park in the world. It is also the 3rd largest cave in the US. Later in 1912, the park also started to protect the native wildlife above the cave.

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United States Forest Service Established - February 1, 1905 

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United States Forest Service Established - February 1, 1905 

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The United States Forest Service (USFS) was founded by Theodore Roosevelt and Gifford Pinchot. It manages 154 national forests and 20 national grasslands, covering over 193 million acres of land.

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Glacier National Park Established - May 11, 1910

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Glacier National Park Established - May 11, 1910

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This park is the world's first international peace park. This park was established to celebrate the peace and friendship between the US and Canada.

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Rocky Mountains National Park - January 26, 1915

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Rocky Mountains National Park - January 26, 1915

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In the Rocky Mountains region, there was a lot of mining, logging, and agricultural activity, which destroyed a lot of the landscape in this area. This national park was established to prevent the landscape from being destroyed.

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Lassen Volcanic National Park - August 9, 1916

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Lassen Volcanic National Park - August 9, 1916

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This national park was established because there was a lot of volcanic activity in the area. 1 year before this park was established, on May 22, 1915, the area erupted. A huge mushroom-shaped cloud of ash went over 30,000 feet into the air. This eruption also altered the surrounding area.