National Geographic : 1944 May
Ewing Galloway In This Gleaming Breaker at Mahanoy City, Pennsylvania, Anthracite Is Screened, Cleaned, and Loaded by Machinery In the towers the Philadelphia & Reading Coal & Iron Company washes coal in huge cones (page 591). From the platform on stilts, the finished product flows to rail. Above the valley a long conveyer hauls dirt and slate to dump cars. Barren hills in the middle background areheaps of such refuse (pages 576, 582).