Safety standards and safety suggestions at iron mines in Lake Superior region [microform]

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Bibliographic Details
Other Authors:	Crawford, F. S. (Frank Stevens), 1889-
Format:	Government Document Microfilm Book
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1931.
Series:	Information circular (United States. Bureau of Mines) ; 6510.
Subjects:	Mine safety > United States.

Norlin Library - Government Information - Microform

Holdings details from Norlin Library - Government Information - Microform
Call Number:	EBD C22.11-6510
EBD C22.11-6510	Restricted Place a Hold