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Bok av J. C. Olson J C Olson D. C. Hedlund
Preliminary Studies of the Raha Fault Zone and Enclosing Rocks in the Bu...
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Abundance and Distribution of Thorium in the Carbonatite Stock at Iron H...
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Mafic-Ultramafic Igneous Rocks and Associated Carbonatites of the Gem Pa...
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Sources and Mechanisms of Recharge for Ground Water in the West-Central...
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Geohydrology of the Madison and Associated Aquifers in Parts of Montana,...
Bok av J. S. Downey J S Downey
Redescription of Upper Devonian Conodont Genera and Species Proposed by...
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Plant Spores and Other Microfossils from Upper Devonian and Lower Missis...
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Upper Proterozoic and Cambrian Rocks in the Caborca Region, Sonora, Mexico

Bok av J. H. Stewart J H Stewart