Rock dust material for coal mines [microform]

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Bibliographic Details
Format:	Government Document Microfilm Book
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1926.
Series:	Information circular (United States. Bureau of Mines) ; 6008.
Subjects:	Mineral dusts.

Norlin Library - Government Information - Microform

Holdings details from Norlin Library - Government Information - Microform
Call Number:	EBD C22.11-6008
EBD C22.11-6008	Restricted Place a Hold