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A volunteer and a US Geological Survey employee conduct a leveling survey north of Fountain Paint Pot.
Volunteers and a US Geological Survey employee conduct a leveling survey in Hayden Valley.
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| U.S. Department of the Interior | U.S. Geological Survey URL: http://volcanoes.usgs.gov/yvo/images/199609-dew-0075_caption.html Contact Information: YVO Web Team Last Modification: Monday, March 21, 2005 (dyv) |
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