Mineral resources : potentials and problems / by Walden P. Pratt and Donald A. Brobst.

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Main Authors: Pratt, Walden P. (Author), Brobst, Donald A. (Donald Albert), 1925-2011 (Author)
Format: Government Document eBook
Language:English
Published: [Reston, Virginia] : United States Department of the Interior, Geological Survey, 1974.
Series:Geological Survey circular ; 698.
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Call Number: I 19.4/2:698
I 19.4/2:698 Available