Directory of Geology Resources

Resources in This Category

The Pacific Northwest Seismograph Network

http://www.pnsn.org/
Based at the University of Washington, the PNSN operates seismograph stations and locates earthquakes in Washington and Oregon and provides information on Pacific Northwest earthquake activity and hazards.
Washington Obsidian Sources

http://www.sourcecatalog.com/wa/s_wa.html
List of locations that are sources of obsidian across the state. Also includes a scientific bibliography.

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