Please select link to read Hopewell Furnace's administrative history.
Hopewell Furnace National Historic Site Administrative History
Did You Know?
"Slag" was the waste material created during Hopewell Furnace's iron smelting process. It consisted of residual minerals in the iron ore that remained after the iron had been removed. Often it appears glassy and multicolored, a combination of minerals such as copper, nickle and manganese.