Catoctin Furnace - Catoctin Furnace MD
Posted by: 
Don.Morfe
N 39° 34.746 W 077° 26.010
18S E 290995 N 4383872
Catoctin Furnace was constructed in 1774 by four brothers Thomas, Baker, Roger and James Johnson to produce pig iron from locally mined hematite.
In blast by 1776, the furnace provided ammunition (cannonballs) for the American Revolutionary War.
Waymark Code: WM15BV4
Location: Maryland, United States
Date Posted: 12/03/2021
Views: 2
From Wikipedia
Catoctin Furnace (also known as Catoctin Iron Furnace) is a historic iron forge located on Route 15 between Frederick and Thurmont in Catoctin Furnace, Maryland. The smelting blast furnace is shown. No forge is at the site now. Forges were present when the ironworks was operational.
HISTORY
Catoctin Furnace was constructed in 1774 by four brothers Thomas, Baker, Roger and James Johnson to produce pig iron from locally mined hematite.
In blast by 1776, the furnace provided ammunition (cannonballs) for the American Revolutionary War. Some sources state that it also provided cannon. They also state that iron from this furnace was (much later of course) used to make plates for the USS Monitor; however that is considered unlikely by researchers. Slaves operated the furnace during this time. The Johnson brothers owned the furnaces at the site at first collectively, and after 1793 singly, until 1811.
Ultimately, three furnaces were built at the site, each named for the site. The first Catoctin Furnace was rebuilt a short distance away in 1787. The second, named Isabella was built in the 1850s by Jacob Kunkel (references give dates from 1853 to 1867). It still stands, within Cunningham Falls State Park.
The first two furnaces burned charcoal. The third, which opened in 1873, burned coke (some sources say anthracite coal, though this would be more costly). The entire complex closed in 1903 (attributed to rising costs and the too-late introduction of a rail link).
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