A SUMMARY OF CONTINENTAL DRIFT THEORY AND SUPPORTING DATA

Professor Wegener, University of Nevada-Reno

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THE GEOGRAPHY OF THE OCEAN FLOOR

Dr. Acoustica, Institute for Undersea Mapping

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SEISMIC PATTERNS AND THE INTERNAL STRUCTURE OF THE EARTH

Professor Seismos, Unversity of Athens

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DEEP CORE DRILLING

Profesor Mohorovicic, University of Moscow

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PATTERNS OF EARTHQUAKE AND VOLCANO DISTRIBUTION

Dr. Magma, University of Calcutta

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AGES OF ROCKS NEAR MID-OCEAN RIDGES

Dr. von Tectos, University of Hamburg

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MAGNETIC REVERSALS NEAR MID-OCEAN RIDGES

Dr. Polarski, University of Warsaw

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EARTHQUAKES AND VOLCANOES NEAR OCEAN TRENCHES

Dr. Fujii, Tokyo University

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