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  • Geology of National Parks

    Author(s): David A. Foster, David Hacker, Ann G Harris

    The National Parks of the United States preserve our nation's iconic landscapes and some of the finest examples of geologic heritage. From glaciers to caves, volcanoes to canyons, or mountains to coral reefs, the nation's geologic features and landforms have been an important part of the American experience throughout its history. The geologic features found in our national parks are a testimony to the Earth’s complexity and dynamic nature; a planet that has been in a continuous state of change since its origin 4.6 billion years ago.

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