• View of Grand Canyon National Park at sunset from the South Rim

    Grand Canyon

    National Park Arizona

River Trip Orientation Video - Chapter 7

Colorado River Location Restrictions
 
 
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Did You Know?

GRAND CANYON TRILOBITE

The Cambrian seas of the Grand Canyon were home to several kinds of trilobite, whose closest living relative is the modern horsehoe crab. They left their fossil record in the mud of the Bright Angel Shale over 500 million years ago.