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In 1810, 176,000 short tons of bituminous coal, and 2,000 tons of anthracite coal, were mined in the United States. American coal mining grew rapidly in the early 1820s, doubling or tripling every decade. Anthracite mining overtook bituminous coal mining in the 1840s; from 1843 through 1868, more anthracite was mined than bituminous coal.
An anthracite pile in Trevorton, Pennsylvania. Anthracite derives from the Greek anthrakítēs (ἀνθρακίτης), literally "coal-like". [9] Other terms which refer to anthracite are black coal, hard coal, stone coal, [10] [11] dark coal, coffee coal, blind coal (in Scotland), [7] Kilkenny coal (in Ireland), [10] crow coal or craw coal, and black diamond.
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:
The average heat content of mined US coal has declined over the years as higher-rank coal production (anthracite, and then bituminous coal) declined, and production of lower rank coal (Sub-bituminous and lignite) increased. The average heat content of US-mined coal decreased 21% from 1950 to 2016, and 6.8% in the 20 years from 1996 to 2016. [77]
In August nearly a fifth of soft coal miners and operators met in Cleveland, Ohio. They agreed to extend their pre-strike contract on soft coal to April 1, 1923. They pressured the anthracite coal industry to extend their contract to August 31, 1923. They also endorsed a presidential commission.
The Harrison County History of Coal Museum, also known as the Puskarich Coal Museum, is a non-profit educational museum featuring information about coal mining. It opened in May 1994 in Cadiz, Ohio in the lower level of the Puskarich Public Library. The museum is open during the libraries' normal business hours from Monday - Thursday 9:00-8:00 ...
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The 1922 UMW Miner strike or The Big Coal Strike [1] was a nationwide general strike of miners in the US and Canada [a] after the United Mine Worker's (UMW) trade union contract expired on March 31, 1922. The strike decision was ordered March 22, to start effective April 1.