
http://vulcan.wr.usgs.gov/
The United States Geological Survey (USGS) Cascades Volcano Observatory provides additional information about volcanoes in the Cascades Range of the Pacific Northwest.
http://nsccbio.sccd.ctc.edu/tfurutani/field_trip/fidalgo.html
A virtual fieldtrip to examine an ophiolite sequence accreted terrane on Fidalgo Island in Washington State from Tracy Furutani at North Seattle Community College.