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Cascade Range Volcanoes
-- Graphic by: Lyn Topinka, 1996

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Major West Coast Volcanoes - Washington, Oregon, and California

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Potentially Active Volcanoes of the Western United States
-- Modified from: Brantley, 1994, Volcanoes of the United States: USGS General Interest Publication

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Cascades Eruptions During the Past 4000 Years

Seismic Monitoring at Cascade Volcanic Centers - The Big Picture
Informational text and shaded relief map showing locations of all PNSN/NCSN seismic stations operating in the Pacific Northwest as of November, 2003. Map includes the 13 major Cascade volcanic centers.
-- Excerpt from: Moran, 2005, USGS Scientific Investigations Report 2004-5211

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Bend/Sisters/Santiam Pass/McKenzie Pass Area
-- Modified from: Taylor, Oregon State University, 1981, USGS Circular 838

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Central Oregon High Cascades
-- Modified from: Scott and Gardner, 1990

[Map,15K,InlineGIF]
Mount Jefferson, Three-Fingered Jack, and Vicinity
-- Modified from: Hoblitt, et.al., 1987, USGS Open-File Report 87-297

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University of Washington's Pacific Northwest Seismic Network
-- Modified from: University of Washington Geophysics Program, 1998, includes seismic station location map and link to PNSN

[Map,30K,InlineGIF]
Oregon and Southern Washington - University of Washington's Pacific Northwest Seismograph Network
-- Modified from: University of Washington Geophysics Program, 1999, includes seismic station location map and link to PNSN

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Annotated NASA Image: Looking South at the Three Sisters, Mount Jefferson, and Mount Hood, Oregon, August 1985.
-- NASA Photo, courtesy NASA Earth From Space; Modified with text by USGS/CVO.

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