The Commonwealth of Pennsylvania USA Mine Rescue Truck of 1947,equipped with the necessary breathing apparatus, gas masks, first-aid supplies, analytical apparatus and such other chemical and scientific instruments commonly used and necessary in the work of first aid and mine rescue. "Pennsylvania Anthracite Coal Mine Act." Pennsylvania was the largest producer of Anthracite coal during the Industrial revolution in the United States. Particularly around the Wilkes Barre and Scranton areas, Luzerne and Lackawanna counties of North Eastern Pennsylvania. Mine rescue was always in demand.