Postwar coal mining

VS wide shots of an elevated mining track, with a huge pyramidal slag-heap beyond and men gathered in a parking area / A military vehicle and (probably) an armed American soldier with the mining coal shaft tower wheel looming overhead / Workers walking past; the towers partially obscured by smoke and the locomotive of a coal cart rolling forward / Men walking past frame buildings with the pyramid and towers beyond / VS the wheels of a tower turn cables / a man pushes a cart forward into the building / In dim light, the mine elevator rises and workers exit / Men and women picking out chunks of coal on a conveyor belt / Note: exact day not known; documentation incomplete