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Science » Earth Sciences » Geology

Bryce Canyon National Park: Hoodoos Cast Their Spell

looks at the history of this area in Utah known for its hoodoos -- limestones, sandstones, and mudstones that have been carved by erosion into spectacular spires, fins, and pinnacles. (National Park Service, Teaching with Historic Places)

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Thor's Hammer and surrounding area, Bryce Canyon National Park.  (National Park Service)

Thor's Hammer

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U.S. History Topics »  States & Regions »  West

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