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Underclay deposits of Somerset and Eastern Fayette Counties, Pennsylvania / By John W. Hosterman.

By: Hosterman, John W, 1923-.
Material type: materialTypeLabelBookSeries: Geological Survey Bulletin; 1363.Publisher: Washington : United States Givernment Printing Office, 1972Description: 17 p; il. --.Content type: Texto (visual) Media type: sin mediación
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Fecha real de registro 11-6-1973

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