100 Greatest Discoveries: Burgess Shale Preservation
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The Burgess Shale, located in the Canadian Rocky mountains, was created by an underwater mudflow. It has entombed organisms for hundreds of millions of years. Learn more in The Science Channel's... (more info)

The Burgess Shale, located in the Canadian Rocky mountains, was created by an underwater mudflow. It has entombed organisms for hundreds of millions of years. Learn more in The Science Channel's series "100 Greatest Discoveries."

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