National contest rules.

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Bibliographic Details
Corporate Author:	United States. Office of the Administrator, Coal Mine Safety and Health
Format:	Government Document Serial
Language:	English
Published:	[Arlington, Va.] : [Administrator for Coal Mine Safety and Health]
Subjects:	Mine rescue work > Competitions > Kentucky > Louisville. Mine safety > Competitions > United States.

University of Minnesota

Holdings details from University of Minnesota
Call Number:	L 38.6:M 66/