• Impact of greenhouse gases on surface coal mining in ...

    2018-8-20 · Coal ore extraction involves both surface (open-pit) and underground mining techniques. The method selected depends on a variety of factors, including the nature and location of the deposit, size, depth, and grade of the deposit (Norgate and Haque, 2010) rface mining operates in two distinct stages, overburden removal and coal extraction, as well as the …

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  • "Remote Data Collection of NOx Emissions from Surface …

    Recommended Citation. J. L. Brinkman and C. E. Johnson, "Remote Data Collection of NOx Emissions from Surface Mine Coal Blasts Using UAV and Evaluation of Effects on Human Health and the Environment," Proceedings of the 2018 SME Annual Conference and Expo and 91st Annual Meeting of the SME-MN Section: Vision, Innovation and Identity: Step Change for a …

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  • Free of charge coal mining information

    2014-10-9 · 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 the Web Mapping Services are provided ...

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  • Unsupervised monitoring of vegetation in a surface coal ...

    2021-12-2 · Surface coal mining causes vegetation disturbance while providing an energy source. Thus, much attention is given to monitoring the vegetation of surface coal mining regions. Multitemporal satellite imagery, such as Landsat time-series imagery, is an operational environment monitoring service widely used to access vegetation traits and ensure vegetation …

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  • The footprint of coal

    Free of charge coal mining information - GOV.UK

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  • Surface Coal Mining | Missouri Department of Natural …

    2021-12-8 · Surface mining for coal in Missouri has a 100 year history beginning with the use of steam shovels in the early 1900s. There is potential desirable coal in Missouri because of it bituminous rank, but the coal beds are relatively thin and are a high cost to mine. Early surface coal mining fueled the energy needed for regional economies to grow and significantly …

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  • ia Energy

    Surface Water Baseline Data Summary VSS-034D VSS-034D : Stream Survey Data Sheet WCD-034D WCD-034D : Well Construction Data Sheet WSI-034D WSI-034D : Water Supply Inventory List BLD-034D BLD-034D : Application for a Coal Surface Mining & Reclamation Permit Blasting Plan Data DMLR-PT-053 DMLR-PT-053 : Well Construction Data Sheet DMLR-PT-062 ...

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  • Surface Coal Mining Metadata

    Surface Mining Areas denote an area of coal extracted by surface excavations in the past or are being excavated currently, these sites do not necessarily reflect the extent of the excavation.

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  • AP-42 11.9 Western Surface Coal Mining

    2015-9-10 · The 1992 field study3 provided independent test data and produced the following set of recommended changes in the AP-42 section for western surface coal mining: A.1 The "generic" unpaved road emission factor equation in Section 13.2.2 was recommended for use in estimating emissions from light- to medium-duty vehicles at surface coal mines.

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  • Appendix E: Coal Mining and Processing Methods | Coal ...

    2021-12-16 · In surface mining, the ground covering the coal seam (the overburden) is first removed to expose the coal seam for extraction. The elements of a surface mining operation are (1) topsoil removal and storage for later use, …

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  • Hydrology and geochemistry of a surface coal mine in ...

    1995-1-9 · The hydrology and geochemistry of a reclaimed coal mine in northwestern Colorado were monitored during water years 1988 and 1989. Some data also were collected in water years 1987 and 1990. This report describes (1) the sources of hydrologic recharge to and discharge from reclaimed spoil, (2) the relative contributions of recharge to the reclaimed spoil aquifer …

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  • The footprint of coal

    2  · Historical data on surface-mined coal. Prior to World War I, data is not available on the amount of coal produced via surface mining; however, the amount appears to have been negligible. Surface mining reached 1% of bituminous (including sub-bituminous and lignite) production in 1917, and it first exceeded 10% of production in 1941.

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  • The rocks of Spireslack surface coal mine and its ...

    2019-1-18 · Legacy mining data from Spireslack includes georeferenced, XYZ data from late 19th to early 20th thcentury underground coal mining, and late 20 to early 21st century surface coal mining. These data provide an understanding of the subsurface structure of …

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  • Coal Mining and Production

    2018-8-5 · Coal Mining and Production 342 Loads Per Unit of Production* Parameter Surface mining (t/1000t coal produced) Underground mining (t/1000t coal produced) Mining Techniques Contour Area Conventional Longwall Liquid effluents 0.24 1.2 1 1.6 Solid waste 10 10 3 5 Dust 0.1 0.06 0.006 0.01 Source: Based on Edgar, 1983

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  • AP 42 11.9 Western Surface Coal Mining

    2021-6-25 · 11.9 Western Surface Coal Mining 11.9.1 General 1 There are 12 major coal fields in the western states (excluding the Pacific Coast and Alaskan fields), as shown in Figure 11.9-1. Together, they account for more than 64 percent of the surface minable coal reserves in the United States. 2 The 12 coal fields have varying characteristics that may ...

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  • Detecting surface coal mining areas from remote sensing ...

    Detecting surface coal mining areas (SCMAs) using remote sensing data in a timely and an accurate manner is necessary for coal industry management and environmental assessment. We developed an approach to effectively extract SCMAs from remote sensing imagery based on object-oriented decision trees (OODT).

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  • Ground Water Contamination in Coal Mining Areas

    2020-4-16 · In coal mining and industrial areas, the surface and ground water is usually polluted and contaminated. In such areas, water is being contaminated by overburden dump. Surface impoundments, artificial recharge, waste disposal in wet excavation, mine water, industrial effluents, acid mine drainage, tailing pods, etc. (Chandra, 1992). ...

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  • (PDF) Surface Mine Design

    2021-12-17 · Auger mining is a surface mining techniq ue used to recover additional coal from a seam located behind a highwall produced either by stripping or open-pit mining.

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  • Annual Coal Reports

    2021-10-4 · The Annual Coal Report (ACR) provides annual data on U.S. coal production, number of mines, productive capacity, recoverable reserves, employment, productivity, consumption, stocks, and prices. All data for 2020 and previous years are final. Highlights for 2020. U.S. coal production decreased 24.2% year over year to 535.4 million short tons (MMst).

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  • Coal mining projects – Coal 2020 – Analysis

    Investments in export-oriented coal mining projects are under consideration in a number of countries. They are at various stages in the development process and here are classified as "more-advanced" and "less-advanced"1. More-advanced …

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  • Mapping the yearly extent of surface coal mining in ...

    2018-7-25 · Surface mining for coal has taken place in the Central Appalachian region of the United States for well over a century, with a notable increase since the 1970s. Researchers have quantified the ecosystem and health impacts stemming from mining, relying in part on a geospatial dataset defining surface mining''s extent at a decadal interval. This dataset, …

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  • Mapping the yearly extent of surface coal mining in ...

    Surface mining is a broadly used mining technique that has increasingly replaced underground mining for a variety of resources [1], especially coal in the United States [2]. In Central Appala-

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  • Major Mines & Projects | Capcoal Operation

    The face conveyor transports the coal from the coalface to another conveyor in an access roadway. Coal is then transported to the surface via a series of connecting underground conveyors. Longwall mining will be undertaken in the German Creek seam. This is the same seam being currently mined at Grasstree Mine.

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  • Coal | Geoscience Australia

    2021-12-17 · Mining. In Australia, nearly 80% of coal is produced from open-cut mines, in contrast to the rest of the world where open-cut mining only accounts for 40% of coal production. Open-cut mining is possible because coal seams are close to the surface. Such mining is cheaper than underground mining and enables up to 90% recovery of the resource.

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  • Respirable coal mine dust at surface mines, United States ...

    The mass concentration and quartz mass percent of respirable coal mine dust samples (annually, by occupation, by geographic region) from surface coal mines and surface facilities at U.S. underground mines during 1982-2017 were summarized. Methods: Mine Safety and Health Administration (MSHA) collected and analyzed data for respirable dust and a ...

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  • U.S. Surface Mines Emissions Assessment

    2021-6-25 · Based on the current emissions inventory, approximately half, or 13, of the states with surface mining activities account for ~90 percent of the methane emitted to the atmosphere as a result of surface coal mining activities. For this reason, the primary focus of this report was on coal basins contained by these top emitting states.

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  • (PDF) Surface Mine Design

    2021-12-17 · Auger mining is a surface mining techniq ue used to recover additional coal from a seam located behind a highwall produced either by …

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