Godfrey Glen and Colonnades – Prominent Geological Features of Crater Lake National Park
With the Pinnacles, this area ranks as the most significant feature along park roads other than those along Rim Drive. It is composed of fossil fumaroles marking the site of hot gasses that rose through the glowing avalanches that once filled the canyon. There is no better or more convenient place to examine the deposits of the Annie Creek flows than at Godfrey’s Glen, a short distance below Annie Spring. In the glen, three layers may easily be distinguished … [The Annie Creek Flows, The Geology of Crater Lake National Park, Oregon (1942) by Howell Williams]
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