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Grand Canyon National Park
Fossils
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Did You Know?
Within the Grand Canyon, the type and abundance of organisms is directly related to the presence or absence of water. The Colorado River and its tributaries, as well as springs, seeps, stock tanks and ephemeral pools provide oases to flora and fauna in this semi-arid southwest desert area.
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Last Updated: January 18, 2007 at 00:28 EST |