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Illinois Department of Transportation

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Melinda Winkelman
(217) 782-0117
Melinda.Winkelman@illinois.gov
Concrete Lab Supervisor
Bureau of Materials 
Office of Highways Project Implementation

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Illinois Department of
Transportation
Hanley Building
2300 S. Dirksen Parkway
Springfield, IL 62764

(217) 782-7820 or
TTY (866) 273-3681

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