Cabin Branch Pyrite Mine Historic District

Cabin Branch Pyrite Mine Historic District is a national historic district located at Prince William Forest Park, Triangle, Prince William County, Virginia. It encompasses 4 contributing sites and 42 contributing structures associated with the Cabin Branch pyrite mine. The pyrite mine opened in 1889, and remained in operation until 1919 or 1920. The property includes a number of capped mine shafts, and the remains of a commissary building and an old mill; and mine structures, including crusher house, mill, mechanical and support buildings, numerous rail lines.^[3]

Cabin Branch Pyrite Mine Historic District
U.S. National Register of Historic Places
U.S. Historic district
Virginia Landmarks Register
Bin ruins in the Cabin Branch Pyrite Mine Historic District, May 2007
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Location	Prince William Forest Park, Triangle, Virginia
Coordinates	38°34′36″N 77°21′02″W
Area	68 acres (28 ha)
Built	1889 (1889)
NRHP reference No.	02001517[1]
VLR No.	076-0289
Significant dates
Added to NRHP	December 12, 2002
Designated VLR	June 12, 2002[2]

It was added to the National Register of Historic Places in 2002.^[1]