 California: a union of geology and topography from Tapestry of Time and Terrain. |
Oregon
- Crater Lake NP
- Website on the Geology of Crater Lake
- 2000 Multibeam SONAR Survey of Crater Lake
- Cascades Volcano Observatory Crater Lake National Park Page
- Crater Lake Fact Sheet
- Crater Lake Revealed
- Mt. Mazama Ash
- Volcano and Earthquake Hazards in the Crater Lake Region, Oregon
- An Update of Quaternary Faults of Central and Eastern Oregon
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