1960s STEEL MILL INTERIOR LARGE CRUCIBLE FULL OF MOLTEN STEEL POURING INGOTS TEEMING WORKERS ON FLOOR OF PLANT HOT HEAT GLOW - i5248 LAN001 HARS B&W SKILL OCCUPATION SKILLS HIGH ANGLE PROTECTION
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Housing in Midland PA with Pittsburgh Crucible Steel Mill in background 1940. (Photo is courtesy of Beaver County I… | Beaver county, Midland, Historic preservation
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