Search results
Results from the WOW.Com Content Network
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
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:
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 ...
Underground mines in the United States (76 P) ... National Mine Map Repository This page was last edited on 2 November 2019, at 16:09 (UTC). ...
Delaware Fissure mine; Dover mine - Dover location; Dorchester Mining Company mine - Houghton County; Drexel mine - Delaware, Keweenaw County; Duncan's location - near Duncan Bay on Isle Royale National Park; Eagle Exploration prospect - Twin Lakes, Houghton County; Eagle Harbor mines - Eagle Harbor, Keweenaw County; Eagle mine - under ...
San Juan Mine 1: San Juan Coal Underground New Mexico: 5,327,442 No 7 Mine: Warrior Met Coal Mining Underground Alabama: 4,864,828 El Segundo El Segundo Coal Surface New Mexico 4,855,010 West Elk Mine: Arch Coal [4] Underground Colorado: 4,821,281 Harvey Mine: CONSOL Energy Underground Pennsylvania
Location of surface coal mines in the US Locations of underground coal mines in the US Trends in underground versus surface mining of US coal, 1949–2011. The hardest coal, anthracite, originally used for steel production, heating, and as fuel for ships and railroads, had by 2000 dwindled to an insignificant portion of production.