Ruins of the Bethlehem steel mill
12:57
Beth Steel Furnaces
1:19:28
Bethlehem Steel, The People Who Built America
7:32
Why Coal Breakers were Horrific Places to Work (Coal Breakers Explained)
5:44
The Fatal Flaw of the Liberty Ships
41:56
National Museum of Industrial History, Bethlehem, Pennsylvania
20:44
Bethlehem Steel Blast Furnaces, Bethlehem, Pennsylvania
16:48
This Is Why China Is Drilling One of the World’s Deepest Holes
4:59