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Author
Arndt, Raymond E.
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Author
Schruben, Paul G.
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Subject
Geoscientific Information
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Place
Massachusetts
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Data type
Polygon
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Year
2005
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1. Areas and Facies Types of Metamorphism: Geology of the Conterminous United States, 2005
2005. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This line shapefile shows the outlines of major calderas and impact structures in the United States. This layer is part of the Geologic Map of the ... Geological Survey (U.S.).