Knife River Corporation, Northwest

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2012-05-10T12:00:00

05102012-WEST2011-486.htm

KNIFE RIVER CORPORATION, NORTHWEST, Contestant

v.

SECRETARY OF LABOR, MINE SAFETY AND HEALTH ADMINISTRATION (MSHA), Respondent

WEST 2011-486-RM

WEST 2011-512-RM

Mine Name:

MBI Portable Crusher No. 1

SECRETARY OF LABOR, MINE SAFETY AND HEALTH ADMINISTRATION (MSHA), Petitioner

KNIFE RIVER CORPORATION, NORTHWEST, Respondent

WEST 2011-666

Mine Name:

MBI Portable Crusher No. 1