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Pages in category "Underground mines in the United States" The following 76 pages are in this category, out of 76 total. This list may not reflect recent changes. A.
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
Lundin Mining: Underground mine producing nickel and copper concentrates 18 (2018) [8] 15 Phoenix Lander County, Nevada: Newmont Mining Corporation: Gold-copper ore, concentrated and leached 16 (2018) [6] 16 Lisbon Valley San Juan County, Utah: Lisbon Valley Mining Company Copper ore, open pit, heap leached 10–15 (2018) [9] 17 Miami: Gila ...
Mine subsidence has caused billions of dollars in damage in the U.S. In Pennsylvania, where mining dates to the late 1700s, coal was mined in nearly half of the state’s 67 counties and there are at least 5,000 abandoned underground mines, leaving behind hazards that officials say can arise at any time.
The phosphate mining industry employed 2,200 people. The value of phosphate rock mined was US$2.2 billion. As of 2015, there are 10 active phosphate mines in four states: Florida, North Carolina, Idaho, and Utah. The eastern phosphate deposits are mined from open pits. The western deposits are mined from both surface and underground mines.
Mining in the United States has been active since the beginning of colonial times, but became a major industry in the 19th century with a number of new mineral discoveries causing a series of mining rushes. In 2015, the value of coal, metals, and industrial minerals mined in the United States was US$109.6 billion. 158,000 workers were directly ...
Mine subsidence has caused billions of dollars in damage in areas of the U.S. where mining once took place. In Pennsylvania, where mining dates to the late 1700s, coal was mined in nearly half of the state’s 67 counties and there are at least 5,000 abandoned underground mines, leaving behind hazards that officials say can arise at any time.
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