A stamp mill is a type of mill machine that crushes material by pounding rather than grinding, . Abandoned mill sites (as documented by industrial archaeologists) will usually have linear rows of . The widest application of stamp mills, however, seems to have occurred in Roman mining, where ore from deep veins was first.
Doe Run's metal mining and milling operations in Missouri provide some of the world's purest lead concentrates, as well as zinc and copper . Missouri's mining industry provides more than 10,000 jobs across the state. .. Mill Superintendent.