Geological Society of America (GSA)
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Robbie R. Gries
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president@geosociety.org
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+1-303-357-1000
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303-357-1070
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Visiting address
Geological Society of America (GSA)3300 Penrose Place P.O. Box 9140CO 80301 BoulderUnited States
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Visiting address
- http://www.geosociety.org
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