underground coal area

  • A History Underground | PeoriaMagazines

    Illinois' central location and large reserves make it the eighth largest producer of coal in the nation. Coal underlies some 37,000 square miles of the state—about 65 percent of its surface—and has played a significant role in the history of Peoria-area industry.

  • Underground Coal Mining - YouTubeClick to view on Bing2:54

    Apr 25, 2014 · A view from the drivers seat going into a mine where they use the room & pillar mining technique and another clip showing the longwall mining operation.

    Author: MineralsInYourLife[PDF]
  • Planned Coal Mine Subsidence in Illinois

    state) have been mined out for coal: 836,655 acres by underground mining and 213,725 acres by surface mining. In 2005, Illinois ranked ninth nation-wide in coal production, and the state's annual total coal production was about 32 million tons (). Illinois is first in the nation for reserves of bituminous coal, the country's most

  • Centralia, Pennsylvania - Wikipedia

    That year, the federal census counted 1,986 residents in Centralia. Coal mining continued in Centralia until the 1960s, when most of the companies shut down. Bootleg mining continued until 1982, and strip and open-pit mining are still active in the area. An underground mine about three miles to the west employs about 40 people.

    Area code: 570
  • coal | National Geographic Society

    Coal Mining Coal can be extracted from the earth either by surface mining or underground mining. Once coal has been extracted, it can be used directly (for heating and industrial processes) or to fuel power plants for electricity. Surface Mining If coal is less than 61 meters (200 feet) underground, it can be extracted through surface mining.

  • Free of charge coal mining information

    Oct 09, 2014 · The Coal Authority holds coal mining data in a national database. This provides information on past and present coal mining. The Interactive Map Viewer and .

  • Coal mining - Underground mining | Britannica

    Coal mining - Coal mining - Underground mining: In underground coal mining, the working environment is completely enclosed by the geologic medium, which consists of the coal seam and the overlying and underlying strata. Access to the coal seam is gained by suitable openings from the surface, and a network of roadways driven in the seam then facilitates the installation of service facilities ...


    underground mine applicants must provide information on the coal removal technique, percentage of coal extraction, pillar and room dimensions, geologic layers above and below the coal, mapping of proposed mined areas, and ground water systems. For an operation proposing to cause subsidence (longwall or pillar

  • Illinois State Geological Survey Coal Mines in Illinois ...

    The Coal Mines in Illinois Viewer illustrates a general depiction of underground mining in the state and will help determine the proximity of coal mines and underground industrial mines to your home or business. Please follow the instructions below for using the viewer and linking to additional map products that contain more information.

  • Burning Mountain - Wikipedia

    Coal seam fire. The underground fire is estimated to be at a depth of around 30 m (100 ft). It is estimated that the fire has burned for approximately 6,000 years and is the oldest known coal fire. European explorers and settlers to the area believed the smoke, coming from the .

  • Mine Safety and Health Administration (MSHA) - Sealing ...

    Sealing Abandoned Areas in Underground Coal Mines . Compliance Guide Questions and Answers . Mine Safety and Health Administration . December 2008. Introduction. ... Can I finish sealing an area by mixing seals constructed under the ETS with seals approved under the final rule? Yes. 5. Does the seals rule apply to existing bulkheads when they ...

  • The Underground Coal Fire That's Been Burning for 53 Years ...

    The fire unintentionally ignited a seam of coal, however, and an underground fire was started that continues to burn to this day – more than 53 years later. Today, the conflagration (roughly one-hundred yards underneath the Keystone State's topsoil) has expanded to include an eight-mile stretch of 3,700 acres of underground coal.

  • Find out if a property is affected by coal mining