Hidden Bibliographic Details
| Title varies: | U.S. Geological Survey Volcano Hazards Program <1997>
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| Frequency: | Updated irregularly
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| Date / volume: | Began in 1997?
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| Notes: | Description based on version modified 14 June 2011; title from web page (U.S. Geological Survey Volcano Hazards Program, viewed Feb. 1 2011).
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| Summary: | This official website of USGS Vocano Hazards Program delivers effective forecasts, warnings, and information of valocano hazards based on scientific understanding of volcanic processes to enhance public safety and minimize social and economic disruption from eruptions.
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| GPO item no.: | 0621-M-04 (online)
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| Govt.docs classification: | I 19.170/2:
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