You searched for: Corporate Names Truax-Traer Coal Company. Remove constraint Corporate Names: Truax-Traer Coal Company. Medium print Remove constraint Medium: print Projects West Virginia History OnView Remove constraint Projects: West Virginia History OnView Topical Subjects Coal-mining machinery. Remove constraint Topical Subjects: Coal-mining machinery. Topical Subjects Coal Mines and Mining--Mine Interiors--Machinery. Remove constraint Topical Subjects: Coal Mines and Mining--Mine Interiors--Machinery.