Miner drilling and laborer loading "black diamonds" in the rough, Anthracite Mining, Scranton, Pa., U.S.A.

Drilling into vein preparatory to blasting, Anthracite Mines, Scranton, Pa., U.S.A.

Abandoned mine showing how prop timber is used to support roofs of tunnels, Scranton, Pa., U.S.A.

Supply office at mines for accommodation of miners, Scranton, Pa., U.S.A.

Hoisted car of coal over shaft at head of breaker ready to be dumped, Scranton, Pa., U.S.A.

Inside conveyer line which conveys coal from shute at top of shaft up into breaker, Scranton, Pa., U.S.A.

Inside conveyer line which conveys coal from shute at top of shaft up into breaker, Scranton, Pa., U.S.A.

Inside conveyer line which conveys coal from shute at top of shaft up into breaker, Scranton, Pa., U.S.A.

Conveyer line for carrying bird's-eye coal to bin, Scranton, Pa., U.S.A.

Conveyer line for carrying bird's-eye coal to bin, Scranton, Pa., U.S.A.

Out-cropping of coal veins near earth's surface along the banks of a stream, Scranton, Pa., U.S.A.