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Active Volcanoes and Plate Tectonics

Map, Active Volcanoes and Plate Tectonics
-- Topinka, USGS/CVO, 1999, Modified from: Tilling, Heliker, and Wright, 1987, and Hamilton, 1976

[Larger Version available, 27K,InlineGIF]

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01/02/03, Lyn Topinka