Historic Resource Study, Crater Lake National Park, Oregon, 1984
V. Geological and Biological Information on Crater Lake Area
E. Points of Geological Interest in Crater Lake National Park
Not surprisingly, in or near the park lie reminders of the cataclysmic activity that once engulfed the area, in the form of lava formations on Mazama s sloping sides, extinct volcanic cones, and glacial valleys. Most of the roadways and points of interest are related to these sites. Following are some of the more notable geological features with short descriptions, moving in a generally clockwise direction around the lake:
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