Unvisited Iron Furnace Sites

The following sites are known to have existed at one time. In some cases, the remains of the site remain in existence, but I have not yet visited the location. In other cases, the furnace site may no longer exist. Anyone having any information on these sites is encouraged to forward their knowledge - credit for the source will be acknowledged when posted.

New Jersey

• Boonton Furnace

Per J.P. Lesley,

• Owned By: Fuller, Lord & Co
• Managed By: W.G. Lathrop
• Location: At Boonton in Morris County. 32 miles from the canal and 18 miles via turnpike from Newark
• Build Year:
• Stack: 40 feet high w/14 foot bosh
• Production: 1857 - 6,574-1/2 tons of iron
• Ore Source: Magnetic ore mined along the canal 6-13 miles west of the works
• Other Information: Anthracite Coal Fn.
• Cooper Furnace

Per J.P. Lesley,

• Owned By: Cooper & Hewitt and other of New York City
• Managed By: Joseph C. Kent
• Location: Half mile below the village of Philipsburg in Warren County, opposite the mouth of the Lehigh at Easton in Pennsylvania - on the Delaware River, Morris Canal, and New Jersey Central Railroad
• Build Year:
• Stack: #1 55 feet high w/20 foot bosh
• Stack: #2 42 feet high w/18 foot bosh
• Stack: #3 55 feet high w/22 foot bosh
• Production: #1 - 1855 - 7,980 tons, #2 - 1856 - 7,041 tons, #3 - 1855 - 7,423 tons
• Ore Source: Brown hematite ores to the north & west, and magnetic ores of Central NJ
• Other Information: Anthracite Coal Fn.
• Ringwood Furnace

Per ASME - Ringwood,

• Owned By: Ogdens, later Peter Hasenclever, later Robert Erksine, then Martin Ryerson, finally the Hewitts
• Managed By: American Iron Company, Cooper Hewitt and Company
• Location: Ringwood, NJ
• Build Year: 1742
• Stack:
• Production:
• Ore Source: B
• Other Information: An information history of Ringwood Furnace is available in this writeup by ASME
• Stanhope Furnace

Per J.P. Lesley,

• Owned By: Fuller, Lord & Co
• Managed By: W.G. Lathrop
• Location: At Stanhope in Sussex County, a half mile northwest of the railroad station and along the Morris and Essex Canal
• Build Year: #1 - 1840 #2, #3, #4 - 1843 Steam Power was added to all stacks in 1845
• Stack: #1-3, 11 to 12 feet across the bosh. #4 was 20 feet high w/6 or 8 foot bosh
• Production:
• Ore Source: #1-3 used magnetic ore from Irondale, about eight miles distant to the East. Franklinite ore was utilized in the #4 fn.
• Other Information: Anthracite Coal Fn. The #4 fn was built to collect zinc fumes in large reservoirs located inside the tunnel head. The experiment made 1000 tons of white, lamellar iron and some tons of zinc paint. An explosion in the #4 fn gas reservior during 1852 destroyed the works.