Start Date: End Date: Published Date Data Date
Mammoth Cave National Park
Published May 1, 2005
Archaeological evidence indicates that American Indians living in the area began exploring the cave system in the late Archaic period, between 5,000 and 3,000 years ago. European settlers first found the caves in 1798.
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Dinosaur National Monument
Published April 3, 2005
The paleontologist Eric Douglass made the first discoveries here in 1909, and President Woodrow Wilson proclaimed it a national monument in 1915.
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Crater Lake National Park
Published January 23, 2005
It one of the oldest parks in the United States, created in 1902 by President Theodore Roosevelt.
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Delaware Water Gap
Published January 9, 2005
The park runs roughly 40 miles along the Delaware River and the Appalachian Mountains, which are immediately adjacent to the river.
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Glacier Bay National Park and Preserve
Published December 7, 2003
The first recorded charting of the area was done in 1794 by George Vancouver, in which he showed the bay being a small indentation in the Icy Strait with a gigantic glacier stretching off to the horizon.
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