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Location: About 2.0 to 3.0 miles (3.2 to 4.8 km) southwest of Mineral; according to the Spotsylvania County Deed Books, the mine is located on the old R.E. Dolan property known as the Louisa Gold Company Land tract comprising 766 arces, which includes the Waddy tract and the 104-acre (0.42 km 2) Waldorf tract; near the property of Lewis ...
The Washington metropolitan area, also referred to as the D.C. area, Greater Washington, the National Capital Region, or locally as the DMV (short for District of Columbia, Maryland, and Virginia), is the metropolitan area comprising Washington, D.C., the federal capital of the United States, and its surroundings.
NMMR's oldest mine: 1792 anthracite coal, "Old Mine." One of NMMR's oldest mine maps: 1859 anthracite coal map from Hazleton Coal Co. The NMMR contains digital and microfilm maps of surface and underground coal, metal, and non-metal mines throughout the United States. Some of the information that can be obtained from the repository includes:
This list of gold mines in the United States is subsidiary to the list of mines article and lists working, defunct and future mines in the country and is organised by the primary mineral output. For practical purposes stone, marble and other quarries may be included in this list.
Mine: State: Coordinates: Town: Owner: Dates: Comments: Pyne Mine: Alabama 33°22′33.18″N 86°55′21.65″W Lacey's Chapel: Woodward Iron Company: 1918–1971 One of only two shaft mines dug in the Birmingham District, and the last ore mine to operate in the region, closing in 1971. Sloss Mines: Alabama 33.39816°N 86.93276°W Red Mountain
The Shelburne mine operated intermittently from the 1830s into the 1850s; a final attempt at mining took place in 1880. The Mascot mine worked from 1881 to 1885 and in 1906. The North Woodstock mine, near the town of the same name in Grafton County, apparently mined and milled lead-silver ore, although no production records are known.
The Franklin and Sterling Hill deposits with production of 6.3 million tonnes of zinc, account for 15 percent of all recorded zinc production in the contiguous United States. Major mining began about 1870, and the Sterling Hill mine was the last working underground mine in New Jersey when it closed in 1986. [9] [10]
In 2020 mining overall contributed $9.5 billion to the state's economy, $8.4 billion from gold and silver mining (all silver produced in Nevada is as a by-product from gold mining). Gold production from Nevada was higher than any other U.S. state, 4,632,690 troy ounces (144,090 kg) in 2020 (a decrease of 4.8% on 2019), accounting for 76% of ...