[Interactive Imagemap]
Cascade Range Volcanoes
-- Graphic by: Lyn Topinka, 1996

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Major West Coast Volcanoes - Washington, Oregon, and California
-- includes Three Sisters - Broken Top Vicinity

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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

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Newberry Volcano and Vicinity
-- Modified from: Sherrod, et.al., 1997

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Quaternary-age Vents and Faults in the Three Sisters - Mount Bachelor Area
-- Modified from: Scott, 1987, GSA Special Paper 212

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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

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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 -- includes Three Sisters - Broken Top Vicinity

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Annotated NASA Image: Three Sisters, Broken Top, Mount Bachelor, and Diamond Peak, October 1994..
-- NASA Photo, courtesy NASA Earth From Space; Modified with text by USGS/CVO -- includes Three Sisters - Broken Top Vicinity

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