We went up to Maple Bench and into the Wellsville Mountain Wilderness on 1-25-10 to have a look at the Large Natural Avalanche from overn

The avalanche ran full-path, just short of cut line from a similar natural release in 2004, and it cleaned out a few more big tooth maple and mountain ash trees.

Huge debris pile, including a good deal of splintered hard wood, rough estimated at 30+ acres...

Despite snow and wind after the avalanche, a large crown was visible a couple days later across the top of a few of the broad bowls that make up Gibson Canyon drainage and share the avalanche path or gully...