Park Rangers Emily Davis and Patrick Gamman Visit the Four Sisters
Insider's Look at Grand Canyon #12 Park Rangers Emily Davis and Patrick Gamman Visit the Four Sisters Running Time 09m:01s - Oct. 16, 2009 - Produced by Park Ranger Patrick Gamman
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Insider's Look at Grand Canyon Podcast
Delivers periodic audio bulletins and enhanced podcasts about park news and events. Topics include anything and everything about Grand Canyon National Park. Hosted and produced by Park Ranger Patrick Gamman.
Did You Know?
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.