U.S. Geological Survey Publications Warehouse · 2011-09-08 · impact structures and certain...

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Transcript of U.S. Geological Survey Publications Warehouse · 2011-09-08 · impact structures and certain...

Page 1: U.S. Geological Survey Publications Warehouse · 2011-09-08 · impact structures and certain expefimental craters. If so. thev expose rock uplifted from beneath the crater floor