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Local 681
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Laborers, Local 681
Contracts - Mining and Oil & Gas Extraction
Employer/
Location
Union
Employees
Date
Lafarge North America Inc
Lockport, IL
LIUNA Local 681
12
May 18th, 2012
Seneca Petroleum Company Inc
Crestwood, IL
LIUNA Local 681
3
July 7th, 2010
