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Investigations into physical geology : a laboratory manual /
出版 1996“...Fort Worth, Pa. : Saunders College Pubs.,...”
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Geologic map of stable interior of the United States
出版 1996“...Fort Worth, Pa. : Saunders College Pubs.,...”
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Geologic map of the bright angel quadrangle, Ariz./
出版 1996“...Fort Worth, Pa. : Saunders College Pubs.,...”