The most popular elements of convention week include the many in-depth presentations given by cavers from across the U.S. and around the world.
Crossing a wide array of professional disciplines, these convention sessions deliver the greatest amount of knowledge one could desire. Most often, the speakers are available all week toanswer questions and share their knowledge and research.
Please click on any of the topics below for more information.
The Cascade Arc includes nearly 20 major volcanoes, among a total of over 4,000 separate volcanic vents including numerous stratovolcanoes, shield volcanoes, lava domes, and cinder cones. Volcanism in the arc began about 37 million years ago; however, most of the present-day Cascade volcanoes are less than 2,000,000 years old.
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