1937
April 2000
In 2004. Prior to that, it was a national monument.
In 2004. Prior to that, it was a national monument.
Dry Tortugas was designated a national monument in 1935, and a national park in 1992.
Because presidents lived in it
It become national monmument in 1918 and a national park in 1980
Jewel Cave was set aside as a National Monument by Theodore Roosevelt on February 7, 1908.
Zion National Monument was created in 1937.
No. It is completely within the sovereign territory of the Navajo Nation, and thus outside the jurisdiction of the federal government. As such, it can not become part of the National Park System. It is instead a Navajo Tribal Park.
It was established as a National Monument by Presidential Proclamation Number 1713, 15 October, 1924. http://www4.law.cornell.edu/uscode/html/uscode16/usc_sec_16_00000431----000-notes.html
It isn't a monument, but a national park. A monument is something made by man, but the Grand Canyon is natural by nature.
the person who made Capitol Reef a national park was Teddy Roosevelt. Actually he made it into a national monument, but then his settlers wanted it to become a national park.