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Mountaintop removal coal mining uses tools like explosives, machinery, etc. to remove large amounts of topsoil, exposing coal ores underneath. [21] After topsoil is removed in the mining process, sulfur and other trace metals such as arsenic, lead, magnesium, etc. are exposed to the surrounding air which can last for decades. [ 21 ]
Arch Coal was formed in July 1997 through the merger of publicly traded Ashland Coal, Inc. and privately held Arch Mineral Corporation. Arch Mineral had its origins in 1969, when it was formed as a partnership between Ashland Oil (now Ashland Inc.) and the H.L.Hunt family of Dallas, Texas; Ashland Coal was formed in 1975 as a wholly owned subsidiary of Ashland Oil.
P&H Mining Equipment sells drilling and material handling machinery under the "P&H" trademark. The firm is an operating subsidiary of Joy Global Inc. In 2017 Joy Global Inc. was acquired by Komatsu Limited of Tokyo, Japan, and is now known as Komatsu Mining Corporation and operates as a subsidiary of Komatsu.
Allis-Chalmers was a U.S. manufacturer of machinery for various industries.Its business lines included agricultural equipment, construction equipment, power generation and power transmission equipment, and machinery for use in industrial settings such as factories, flour mills, sawmills, textile mills, steel mills, refineries, mines, and ore mills.
The most populous city in Boyd County, Ashland is located upon a southern bank of the Ohio River at the state border with Ohio and near West Virginia. The population was 21,625 at the 2020 census . Ashland is a principal city of the Huntington–Ashland metropolitan area , referred to locally as the "Tri-State area", home to 376,155 residents ...
Sandvik is notable for developing battery-powered, remotely monitored and automated equipment. The vehicle TH665B, with a capacity of 65 metric tons, was the highest-capacity battery-electric underground mining truck in the world when it was launched in 2022.
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Lots were sold at public auction in June 1854, and the City of Ashland was incorporated by an act of the Kentucky Legislature in 1856. Boyd County was created by the Legislature in 1860, primarily from Greenup County. The first child born in the new town of Ashland was named Ashland Poage, a mixture of the old and new names. [8]