Gypsum and anhydrite.

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Bibliographic Details
Online Access:	Full Text (via ProQuest)
Corporate Author:	United States. Bureau of Mines
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [s.n.], 1939.
Subjects:	Gypsum. Anhydrite. Mines and mineral resources. Building materials.

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Full Text (via ProQuest)

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Call Number:	I28.27..7049
I28.27..7049	Available