The National Mine Service Company granted an exclusive world-wide license to manufacture and sell a new type of shuttle car developed and patented by Pittsburgh Consolidation Coal Company. The shuttle car was designed by Arthur L. Lee and his engineering staff of Pitt-Consol.
Night photo of a road sign advertising Disco coal as well as telling how many miles to the plant. Black light flashes on and off. Sign is on the N/S Rt. U.S. 30 East 800' West of End of West Boung Ramp, Huntington Twp.
Night photo of a road sign advertising Disco coal as well as telling how many miles to the plant. Daytime effect between flashes. Sign is on the N/S Rt. U.S. 30 East 800' West of End of West Boung Ramp, Huntington Twp.