Human edited web directory based on the DMOZ data. To find out more about this project please use the top main menu.
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- The Pacific Northwest Seismograph Network 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 List of locations that are sources of obsidian across the state. Also includes a scientific bibliography.