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  2. Crater of Diamonds State Park - Wikipedia

    en.wikipedia.org/wiki/Crater_of_Diamonds_State_Park

    Crater of Diamonds State Park is a 911-acre (369 ha) Arkansas state park in Pike County, Arkansas, in the United States. The park features a 37.5-acre (15.2-hectare) plowed field, one of the few diamond -bearing sites accessible to the public.

  3. Surface Mining Control and Reclamation Act of 1977 - Wikipedia

    en.wikipedia.org/wiki/Surface_Mining_Control_and...

    25th Anniversary of the Surface Mining Law: A report on the protection and restoration of the nation's land and water resources under the Surface Mining Law, Office of Surface Mining, 2003. Available at OSM website. Green, Edward. State and Federal Roles Under the Surface Mining Control and Reclamation Act of 1977, 21 S. Ill. U. L.J. 531 (1997)

  4. Hartford coal mine riot - Wikipedia

    en.wikipedia.org/wiki/Hartford_coal_mine_riot

    The Hartford coal mine riot occurred on July 12, 1914, at Hartford, Arkansas. In a productive region of a state with 100% of its coal miners represented by the United Mine Workers (UMW), one mine owner attempted to open a non-union shop. In the resulting conflict, mines were flooded by sabotage, and on July 17 a crowd of union miners and ...

  5. National Mine Map Repository - Wikipedia

    en.wikipedia.org/wiki/National_Mine_Map_Repository

    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:

  6. Arkansas Department of Energy and Environment - Wikipedia

    en.wikipedia.org/wiki/Arkansas_Department_of...

    The Arkansas Department of Energy and Environment is a cabinet level agency in the executive branch of Arkansas government responsible for implementation of the rules and regulations regarding the management of natural resources and protecting the environment of the state.

  7. Lists of mines in the United States - Wikipedia

    en.wikipedia.org/wiki/Lists_of_mines_in_the...

    Mine: State: Coordinates: Town: Owner: Dates: Comments: Pyne Mine: Alabama 33°22′33.18″N 86°55′21.65″W Lacey's Chapel: Woodward Iron Company: 1918–1971 One of only two shaft mines dug in the Birmingham District, and the last ore mine to operate in the region, closing in 1971. Sloss Mines: Alabama 33.39816°N 86.93276°W Red Mountain

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  9. Category:Surface mines in the United States - Wikipedia

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

    Hill-Annex Mine State Park; Homestake Mine (South Dakota) Hull–Rust–Mahoning Open Pit Iron Mine; I. ... Surface Mining Control and Reclamation Act of 1977