This is the user page for User:Hannegan.
My main focus is the volcanoes, both young and old, of the northern part of the Cascade arc, such as Mount Baker, the Kulshan and Hannegan calderas, Glacier Peak, and the volcanoes of British Columbia. I am a Wikipedia contributor since March, 2009.
Tucker, D. S., Hildreth, W., Ullrich, T., and Friedman, R., 2007, Geology and complex collapse mechanisms of the 3.72 Ma Hannegan caldera, North Cascades, Washington, USA: Geological Society of America Bulletin, v. 119 p. 329-342.
Tabor, R.W.,and Haugerud, R., 1999, Geology of the North Cascades: A Mountain Mosaic; The Mountaineers, Seattle. • A hiker's guide to North Cascades geology. Incomparable, with non-technical descriptions. You can learn a lot of geology from this book. Great diagrams and maps.
Geologic Map of the Hannegan caldera
Mount Baker Volcano Research Center
One of my favorite hikes is the Hannegan trail in North Cascades National Park of Washington State.