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Geology and beryl deposits of the peerless pegmatite Pennington county South Dakota / by Douglas M. Sheridan...[et al.].

Contributor(s): Sheridan, Douglas M, 1921-.
Material type: materialTypeLabelBookSeries: Geological Survey Professional Paper; 297-A.Publisher: Washington : United States Government Printing Office, 1957Description: 47 p. + 1 map. --.Content type: Texto (visual) Media type: sin mediación Subject(s): Dakota del Sur | Geología
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