AEP Kentucky Coal Co.
Alex Energy
Cumberland River
Elmo Greer & Sons
Guyandotte Energy
Jupiter Coal
Kanawha Scales, Inc.
Long Fork Energy
McCoy Elkhorn Coal Co.
New Ridge Mining Co.
Paramount Coal Co.
Powell Construction Co.
Premier Elkhorn Coal Co.
Sedgeman Inc.
Sidney Coal
Teco Coal Company
VP-8/Consol of Virginia
Rob Fork Facility
Built large underground bulkheads to ensure impoundment stability and breakthrough protections.