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Icicle Creek Glaciers and Upper Valley Erratics

Wenatchee Valley Erratics Chapter of the Ice Age Floods Institute will meet at 7:00 P.M., Tuesday, February 13 at the Wenatchee Valley Museum, 127 South Mission, Wenatchee.

Glaciers from Icicle Creek advanced multiple times over the past several hundred thousand years and left deposits near Leavenworth. Some thought lakes or slack water from Glacial Lake Missoula outburst floods deposited the numerous boulders lying between Leavenworth and Peshastin. The late local geologist Bill Long collected data about these boulders, and others near Wenatchee, during the 1960s to 1980s. That data tell a different story about Icicle Creek glaciers and the location of past termini. Kelsay Stanton, WVC adjunct instructor and licensed professional geologist, will talk about work she's done in the Leavenworth area with USGS geologist Richard Waitt, using information collected by Long, and describe how it fits into the regional glacial and glacial outburst flood story.

The program is free & open to the public.

For overviews of the Ice Age Floods and more information on the Ice Age Floods Institute, please see our website:;; and quadricopter videos of Ice Age features,


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