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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 Salina Group or Salina Formation is a Late Silurian-age, Stratigraphic unit of sedimentary rock that is found in Northeastern and Midwestern North America.Named for its Halite beds, the phrase "Salina Group" was first used as a descriptive term by James D. Dana in 1863.
Warren Hill mine [25] Quadrangle: - Location: On the "Fisher Lode" Mines by another user contributions Armenious mine, located somewhere near Mineral, location uncertain; Dolan mine; Hemmer mine, located about 0.5 miles (0.80 km) north of Mineral; Hunter prospect, located about 0.2 miles (0.32 km) NW of Mineral south of SR-22
The following lists of mines in Canada are subsidiaries to the list of mines article and lists working, defunct and future mines in the country and is organised by the primary mineral output and province.
Diorama of an underground salt mine in Germany. Inside Salina Veche, in Slănic, Prahova, Romania.The railing (lower middle) gives the viewer an idea of scale. Before the advent of the modern internal combustion engine and earth-moving equipment, mining salt was one of the most expensive and dangerous of operations because of rapid dehydration caused by constant contact with the salt (both in ...
The world's largest underground salt mine is the Sifto Salt Mine. It produces over 7 million tons of rock salt per year using the room and pillar mining method. It is located half a kilometre under Lake Huron in Ontario , Canada. [ 16 ]
Reserves suitable for underground and solution mining have been estimated at 14 billion tonnes (15 billion short tons) and more than 42 billion tonnes (46 billion short tons), respectively. As of 2003, there were 2 solution mines and 8 conventional mines operating in Saskatchewan. [7] Salt is produced primarily as a byproduct of potash mining ...
Longdale Furnace is an unincorporated community located east of Clifton Forge in Alleghany County, Virginia, United States. Much of the community was designated a national historic district and added to the National Register of Historic Places in 1998. [ 1 ]