Mount Saint Helens, Washington (8363/9677 ft)
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Mount St. Helens National Volcanic Monument
Mount St. Helens web cam
Pacific Northwest Seismograph Network
Gifford Pinchot National Forest
Summitpost
References
- Beckey, Fred, Cascade Alpine Guide: Climbing and High Routes, Vol. 1, Columbia River to Stevens Pass, Third Edition, The Mountaineers, 2000.
- Nelson, Jim and Peter Potterfield, Selected Climbs in the Cascades,
The Mountaineers, 1993.
- USGS Volcanoes, Mount St. Helens: http://vulcan.wr.usgs.gov/Volcanoes/MSH/



