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Operating Engineers, Local 520
Contracts - Mining
Employer/
Location
Union
Employees
Date
Quality Sand Company (Fred Weber Inc)
Maryland Heights, MO
IUOE Local 520
5
April 9th, 2008
Southern Illinois Sand & Transfer Inc
Chester, IL
IUOE Local 520
10
December 10th, 2007
Bluff City Minerals Fred Weber Inc
Maryland Heights, MO
IUOE Local 520
9
October 17th, 2006
