Fall Creek Volcanic Centre at Plinth Mountain from Upper Lillooet above Keyhole Falls, now Upper Lillooet Provincial Park. Pumice deposit is on far left of picture. This was the source area of the Bridge River volcanic ash plume of about 2500 years ago. (Corresponds with "Hotspring 3 1989 upper Lillooet" on Powerpoint Presentation Photos DVD)
Kroeger, Paul D.
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