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  2. Harmony Gold (mining) - Wikipedia

    en.wikipedia.org/wiki/Harmony_Gold_(mining)

    Tshepong is located in the Free State Province, near Welkom, about 248 kilometres from Johannesburg. Mining is conducted at a depth of 2 349 meters. The mine uses conventional undercut mining in the Basal Reef while the B Reef is exploited as a high grade secondary reef. Ore mined is processed at the Harmony One plant. [4]

  3. Welkom mining explosion - Wikipedia

    en.wikipedia.org/wiki/Welkom_mining_explosion

    The Department of Mineral Resources and Energy (DMRE) reported late on 22 June 2023 that the miners had died in a mining shaft at the abandoned Virginia mine in Welkom, Free State. [7] [8] [6] [9] The miners, believed to be foreign nationals from Lesotho who were there mining illegally, may have died on or around 18 May 2023. [10] [3] [9]

  4. Welkom - Wikipedia

    en.wikipedia.org/wiki/Welkom

    Welkom officially came into being on 15 April 1947, six years after the first mining lease in the area was awarded to the St Helena Gold Mining Company, and was proclaimed a town on 23 July 1948. On 14 February 1968, after 21 years of existence, Welkom received city status, and celebrated this event with the opening of the Civic Centre by Mrs ...

  5. 2009 Harmony Gold mine deaths - Wikipedia

    en.wikipedia.org/wiki/2009_Harmony_Gold_mine_deaths

    The 2009 Harmony Gold mine deaths occurred in late May and early June 2009 in Free State province, South Africa. At least 82 miners, many from Lesotho , Mozambique and Zimbabwe , died from inhalation of poisonous gasses created by a May 18 fire in the mineshaft.

  6. Harmony Historic District - Wikipedia

    en.wikipedia.org/wiki/Harmony_Historic_District

    The Harmony Society was founded in what is now Germany in 1785 by Johann Georg Rapp. Meeting with opposition from the dominant Lutheran Church, Rapp and his followers emigrated to North America, and purchased the land in Butler County where the community of 200 families founded Harmony in 1805.

  7. 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

  8. Oneida Number Three Tunnel - Wikipedia

    en.wikipedia.org/wiki/Oneida_Number_Three_Tunnel

    The average discharge of the Oneida Number Three Tunnel is 3,820,000 gallons per day (approximately 2,653 gallons per minute). [1] The tunnel is the largest discharge of acid mine drainage to Tomhicken Creek. [3] The pH of the water being discharged from the Oneida Number Three Tunnel ranges from 3.9 to 4.7. The average pH of the waters is 4.53.

  9. Harmony Township, Susquehanna County, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Harmony_Township...

    Harmony Township was formed in 1809 from parts of Willingborough (now Great Bend Twp) and New Milford Townships. The present-day Ararat, Oakland, Jackson, and Thompson Townships were later split from parts of Harmony Township. [4] The borough of Susquehanna Depot was created in 1853 from part of Harmony Township. [3]