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Name: Principio Furnace (view items)
Industry type: Materials
Industry: Iron
Country: United States
State/County/Province: Maryland
City: Perryville
Start year: 0
End year: 0
Company: Principio Company
Notes: Various sources give different dates and histories for this site. DETAILED RESEARCH NEEDED (Compare http://www.seakayak.ws/kayak/kayak.nsf/NavigationList/NT0000CA5A
http://www.marylandhistoricaltrust.net/NR/NRDetail.aspx?HDID=76&FROM=NRMapCE.html)

The first blast furnace in Maryland provided pig iron and wrought iron bars for export to England