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Contracts - Mining
Employer/
Location
Union
Employees
Date
Martin Marietta
Prairie du Rocher, IL
IBT Local 50
28
November 6th, 2007
Martin Marietta Materials
Raleigh, NC
IBT Local 50
24
July 11th, 2005
CASPER STOLLE QUARRY (H&W)
DUPO, IL
IBT Local 50
3
March 10th, 2005
COLUMBIA QUARRY COMPANY (H&W)
COLUMBIA, IL
IBT Local 50
50
March 10th, 2005
FALLING SPRINGS QUARRY (H&W)
DUPO, IL
IBT Local 50
5
March 10th, 2005
