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Author
ESRI
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Format
Shapefile
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Publisher
U.S. Geological Survey
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Subject
Volcanoes
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1. USA (National Atlas Volcanoes, 2006)
Smithsonian Institution, Global Volcanism Program, National Atlas of the United States, and the United States Geological Survey, Smithsonian Institution, Global Volcanism Program, National Atlas of the United States, and the U.S. Geological Survey, and ESRI. U.S. National Atlas Volcanoes represents volcanoes thought to be active in the last 10,000 years (Holocene), in and near the United States. The dat... U.S. Geological Survey.