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The Montana Department of Environmental Quality is charged with protecting a clean and healthy environment as guaranteed to our citizens by our State Constitution. Our ultimate goal is to protect public health and to maintain Montana's high quality of life for current and future generations.
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. The harder forms, such as anthracite coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure .
Definition: Gold Miners ETFs invest in stocks of companies that are actively involved in mining and other aspects of gold production. Click on the tabs below to see more information on Gold Miners ETFs, including historical performance, dividends, holdings, expense ratios, technical indicators ...
LAND QUALITY DIVISION . APPLICATION FOR . SMALL MINING PERMIT OR . AMENDMENT TO A SMALL MINING PERMIT. In accordance with Wyoming Statute §35- 11-401(j), for noncoal surface mining operations, involving not more than thirty-five thousand (35,000) yards of overburden, excluding topsoil, and ten (10) acres of affected land in any one
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Quality Mining A Data Mining Based Method for Data Quality Evaluation ... In this paper we present a method for data quality evaluation based on Data Mining. We introduce QuAsAR, a mechanism for the systematic analysis of correctness based on the information itself. ... For instance, the rules that appear in a very small number of records (1% ...
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Small scale miners should appoint a recognized gold agent to act as their representative, in order to achieve their quest for foreign investors that can collaborate with them to procure mining equipment for their mining sites.
This webpage provides information and resources to anyone intending to conduct metal mining operations in Oregon's streams or rivers. DEQ's fact sheet, Water Quality Permits for Metal Mining Activities, describes all water quality permits required for metal mining/prospecting and ore processing operations that discharge wastewater to the land and state waters on private or public land.
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face mining on the hydrology of small ba sins in the coal fields of the eastern United States, the U.S. Bureau of Mines ... water quantity and quality, and the econom ics of mining and reclamation. The U.S. Geological Survey was responsible for the ground-water phase of the study. ...
Small-scale mining, like the rest of the mining industry, is required to adopt measures that will promote environmental sustainability by means of the application of consistent standards and acceptance of the "polluter pays" concept.
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Artisanal small-scale gold mining (ASGM) is a globally-significant industry, providing rural employment directly to at least 15 million people and indirectly to over 100 million in more than 70 countries (WHO 2013).
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sought to identify the effects of small-scale salt mining on the quality of underground water in the KEEA District. Study area: The study area lies within the coastal zone of Ghana, which stretches from Half Assini in the west to Aflao in the east and is about 550 km long. The coastal
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Mining is the extraction of valuable minerals or other geological materials from the earth, usually from an orebody, lode, vein, seam, reef or placer deposit.These deposits form a mineralized package that is of economic interest to the miner. Ores recovered by mining include metals, coal, oil shale, gemstones, limestone, chalk, dimension stone, rock salt, potash, gravel, and clay.