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Data Series 842

Database for the Geologic Map of Upper Eocene to Holocene Volcanic and Related Rocks in the Cascade Range, Washington

By Andrew D. Barron, David W. Ramsey, and James G. Smith

Database for Miscellaneous Investigations Series Map I-2005


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Title Page
Introduction
Data
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Index page

View of Mount St. Helens, Washington looking south from outside the Johnston Ridge Observatory in Mount St. Helens National Volcanic Monument. Photographed near sunset with a digital infrared camera that images wavelenghts in the near infrared from 715-1100nm (USGS photograph by Andrew D. Barron, October 18, 2011.)

View of Mount St. Helens, Washington looking south from outside the Johnston Ridge Observatory in Mount St. Helens National Volcanic Monument. Photographed near sunset with a digital infrared camera that images wavelenghts in the near infrared from 715-1100nm (USGS photograph by Andrew D. Barron, October 18, 2011.)