Which opened first, the Ptarmigan and Tom Mine or the Colomac Mine?
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Ptarmigan and Tom Mine The Ptarmigan and Tom Mine were gold producers located in the Northwest Territories, Canada at Yellowknife. The property was staked by prospectors in 1936 and acquired by Cominco in 1938. The mine first produced between 1941 and 1942 but closed due to wartime restrictions. The old property was demolished in 1969–1970. A new company, Treminco Resources Limited, reopened the workings in 1985 and production from the Tom ( ) portal began in 1986 with material being trucked to Giant Mine. The old Ptarmigan ( ) mine shaft was dewatered and production began in 1987. A new mill was built at the property and was operational in July 1989. Low gold prices forced the company to close the mines in 1997. Total gold production has been approximately 120,000 troy ounces (3700 kg).
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Colomac Mine The Colomac Mine was a privately owned and operated open pit gold mine located 220 km northwest of Yellowknife in the Northwest Territories in Canada . The Colomac mine operated between 1990–1992, and 1994–1997. It was operated by Neptune Resources Limited that had little success in making a profit during its operation. In 1994, the mine had reopened under Royal Oak Mines Inc. Both Neptune Resources and Royal Oak Mines where both owned and operated by Peggy Witte. Due to low gold prices and high cost of mining, Royal Oak Mines was forced into bankruptcy. The Federal Government of Canada became owners of the mine, along with the related environmental issues. A major cleanup effort is under way to prevent the mine from polluting the environment, but this might be too late at this stage. This mine is now owned and controlled by the Indigenous and Northern Affairs department of the Federal government, while Public Works and Government services is the current contracting authority.
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Centralia Coal Mine Centralia Coal Mine is an open-pit coal mine, owned by the Canadian-based TransAlta Corporation. The mine is currently shut down. Also referred to as the TransAlta Centralia Mining (TCM) operation, the coal mine is located approximately 5 mi northeast of the city of Centralia, in Lewis County, in the US state of Washington. Together with Centralia Power Plant, it was bought in May 2000 by TransAlta for $554 million – $101 million for the mine and $453 million for the power plant.
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Priest Mine Priest Mine is an abandoned surface and underground mine in Northeastern Ontario, Canada. It is located about 19 km northwest of the hamlet of Marten River on an island in north-central Cross Lake. Dating back to the early 1900s, it is one of the oldest mines in the municipality of Temagami.
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John Treadwell (miner) John Treadwell (1842-1927) was a Canadian gold miner. He was born in St. Andrews, New Brunswick, Canada. He owned and operated the Treadwell gold mine through the Treadwell Mining Company. He was responsible for initiating low-grade gold mining in Alaska adopting most advanced operations on a big scale, which boosted the economy of the wilderness ares. His four mines formed the largest complex in the world at that time. Treadwell's mine complex "put Juneau on the map".
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Coyote Gold Mine The Coyote Gold Mine is a gold mine located in the remote Tanami Desert of Australia. The mine has leases both in the Central Desert Region of the Northern Territory and the Kimberley Region of Western Australia, but current mining is only carried out in Western Australia, 10 km west of the border.
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Coombell, New South Wales Coombell is a locality between the towns of Casino and Grafton in northern New South Wales, Australia. The North Coast railway passes through, and a railway station was provided between 1905 and 1974.
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Stonehills Mine Stonehills Mine is the first completely new mine on Portland (not a mine as an extension from an existing quarry). Albion Stone Plc began the process to open this mine began in 2015 and reserves are estimated to last for 50 years (2066). The planning application to begin work on Stonehills was submitted to the Dorset County Council in February 2001 and was finally approved in February 2005. The site is owned by the Crown Estate and the leased by Albion Stone plc who extract Portland Stone Whitbed and Portland Stone Basebed. Albion Stone Plc use room and pillar mining method of extraction which is already being carried out in their Jordans mine and Bowers Mine.
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Timbarra Gold Mine The Timbarra Gold Mine was a highly controversial gold mine located on the Timbarra Plateau, at the head waters of the Clarence River, near Tenterfield, New South Wales, Australia. The gold ore body consisted of a greisen type granite. The protracted controversy attracted national and international attention, and catalysed an anti-cyanide extraction campaign in Australia.
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Mardy Colliery Maerdy Colliery was a coal mine located in the South Wales village of Maerdy (Welsh: "Y Maerdy" ), in the Rhondda Valley, located in the county borough of Rhondda Cynon Taf, and within the historic county boundaries of Glamorgan, Wales. Opened in 1875, it closed in December 1990.
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Ontario silver mine The Ontario silver mine is a mine near Park City, Utah, United States. It was purchased by George Hearst through R C Chambers from prospectors for $27,000 in 1872.
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USS Miantonomah (ACM-13) USS "Miantonomah" (ACM-13/MMA-13) was built as the US Army Mine Planter USAMP "Col. Horace F. Spurgin" (MP-14) for the U.S. Army by Marietta Manufacturing Co., Point Pleasant, West Virginia, in 1943. "Col. Horace F. Spurgin" was christened by Mrs. Barbee Rothgeb. "Col. Horace F. Spurgin" was transferred from the US Army to the US Navy and commissioned as ACM-13 on 25 January 1950. After decommissioning and sale to commercial interests 17 February 1961, the ship remained in the fishing fleet into the 1990s before becoming part of a breakwater in Tacoma, Washington.
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William J. Oliver (industrialist) William Jesse Oliver (January 13, 1867 – March 28, 1925) was an American industrialist who operated one of the nation's most successful contracting firms in the early 20th century. He built several hundred miles of railroad in the Southern Appalachian region during the 1890s and early 1900s, and opened the South's largest privately owned manufacturing plant in 1905. He submitted the initial winning bid for the construction of the Panama Canal in 1907, though the bid was eventually rejected.
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Carbon Cut-Off Railway The Carbon Cut-Off Railway was a railroad line in the U.S. state of Wyoming. In 1889 the Union Pacific Railroad invested $221,000 (equivalent to about $ today ) to construct a rail line from Allen station on the main line (near Medicine Bow) to their coal mines near Hanna. In 1892 the railroad operated 17.16 mi of track between Allen and Hanna and an additional 2.06 mi of track to the Hanna mine.
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Commodore Mine The Commodore mine is an open-pit coal mine located in Domville and Clontarf, Toowoomba Region, Queensland, Australia. The majority stake in the mine is owned by InterGen Australia.
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Tom Cue Tom Cue (1850-1920) was a gold prospector from Western Australia. The town of Cue is named after him for his discovery of gold in its area in 1892.
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Marron Junction railway station Marron Junction railway station was a later addition to the Cockermouth and Workington Railway. It opened on 2 April 1866 with a single, eastbound, platform when the adjacent Marron Junction opened, two months before the company was absorbed by the London and North Western Railway.
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Colwall Tunnels The Colwall Tunnels are a pair of railway tunnels that connect Colwall and Malvern Wells on the Cotswold Line, passing under the Malvern Hills in the Welsh Marches region of England. The first tunnel was opened in 1861 by the Worcester and Hereford Railway. Due to its inadequate specification, a replacement tunnel was brought into service in 1926, and remains in use today.
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Mine Gap Run Mine Gap Run is a tributary of Catawissa Creek in Columbia County, Pennsylvania, in the United States. It is approximately 1.5 mi long and flows through Roaring Creek Township and Beaver Township. The watershed of the stream has an area of 0.92 sqmi . The stream is polluted and acidic. However, it is considered to be a coldwater fishery. The main rock formations in the stream's watershed are the Mauch Chunk Formation, the Spechty Kopf Formation, the Pocono Formation, and the Buddys Run Member of the Catskill Formation.
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Colbren Junction railway station Colbren Junction was a railway station on the Neath and Brecon Railway. The station, which was near Coelbren, was completed at the same time as the Swansea Vale and Neath and Brecon Joint Railway opened a seven-mile branch from here to Ynysygeinon in 1873. It was a key junction in the networks operated by the Midland, Neath and Brecon, and Great Western railway companies.
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Big Bell Gold Mine The Big Bell Gold Mine is a gold mine located at Big Bell, 24 km north-west of Cue, Western Australia. The mine was owned and operated by Harmony Gold at the time of its closure in June 2003, having produced 2.6 million ounces of gold during its lifetime, but was sold to Aragon Resources Limited in January 2010.
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Lady Windsor Colliery Lady Windsor Colliery was a coal mine located in the village of Ynysybwl in South Wales. Opened in 1884, it closed in 1988, 104 years later.