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  2. Category:Mining in Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Category:Mining_in...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  3. List of ghost towns in Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/List_of_ghost_towns_in...

    A coal mining ghost town, often known as Humphries after the owner of the mine. [27] Claghorn: Indiana County: East Wheatfield Township: Along the Ghost Town Trail: Cokeville: Broad Fording Westmoreland County: Derry Township: Submerged a Pennsylvania Canal & coal mining ghost town, under the waters of Conemaugh River Lake. [28] Cold Spring ...

  4. Nickel Mines, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Nickel_Mines,_Pennsylvania

    An Episcopal Church was built in 1857 to serve the mining community at the time. Gap Mining worked the mines for nickel until 1860, when they were closed as unprofitable. It sold the mine to Joseph Wharton in late 1862. Between 1862 and 1893, 4.5 million pounds of nickel were extracted from the site, amounting to as much as twenty-five percent ...

  5. Geology of Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Pennsylvania

    The limestones and dolomites of this area are extensively quarried in Pennsylvania. These carbonate rocks are used for variety of purposes including, crushed stone, cement manufacturing, fertilizers, and coal-mine dust (reduces acid mine drainage) [12] Karst features are problematic in the Great Valley.

  6. East Texas iron ore belt - Wikipedia

    en.wikipedia.org/wiki/East_Texas_Iron_Ore_Belt

    The East Texas iron ore belt refers to a significant region in East Texas characterized by the presence of iron ore deposits, primarily associated with the Weches greensand formation. This area has historical importance in the mining industry, contributing to the supply of iron ore in the United States. Although many counties in this region ...

  7. List of lost mines - Wikipedia

    en.wikipedia.org/wiki/List_of_Lost_mines

    Usually the mines are said to contain valuable elements or minerals such as gold, silver or diamonds. Often there is a map or other document allegedly detailing the history or location of the mine. Common to all the lost mine legends is the idea of a valuable and mysterious resource being lost to history.

  8. History of anthracite coal mining in Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/History_of_anthracite_coal...

    The bituminous mine was located in Fort Pitt near the top of Coal Hill, which is now Downtown Pittsburgh. [13] Anthracite coal was first found in 1762, and then was used for the first time around 1769 by Obadiah Gore and his brother in their blacksmith shop in Wilkes-Barre.

  9. Category:Mines in Texas - Wikipedia

    en.wikipedia.org/wiki/Category:Mines_in_Texas

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