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Chromite and other mineral deposits in serpentine rocks of the Piedmont upland Maryland, Pennsylvania and Delaware / by Nancy C. Pearre and Allen V. Heyl.

By: PEARRE, Nancy C.
Material type: materialTypeLabelBookSeries: Geological Survey Bulletin; 1082-K.Publisher: Washington : United States Government Printing Office, 1960Description: P. 707-833 + map. --.Content type: Texto (visual) Media type: sin mediación Subject(s): Delaware | Maryland | Pennsylvania | Yacimientos de cromo
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