Geology professor Shawn Willsey provides a brief description of the geology and history of Mt Rainier, Washington, the largest of the Cascade volcanoes and very likely America's most dangerous volcano. This view is from near the Skyline Trail, overlooking the awesome Nisqually Glacier.

I love doing these videos and will continue to do so but if you want to provide support or much appreciated gas money, you can send support via:

Venmo @ShawnWillsey (be sure to put two L's in last name)
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or a good ol' fashioned check to this address:
Shawn Willsey
College of Southern Idaho
315 Falls Avenue
Twin Falls, ID 83303