drainage from surface mines

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• Acid mine drainage — Yellow boy in a stream receiving acid drainage from surface coal mining. Acid mine drainage (AMD), or acid rock drainage (ARD), refers to the outflow of acidic water from (usually abandoned) metal mines or coal mines. However, other areas where… …   Wikipedia

• United States Bureau of Mines — For most of the 20th century, the U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.… …   Wikipedia

• Dolaucothi Gold Mines — The Dolaucothi Gold Mines (grid reference SN662403), also known as the Ogofau Gold Mine, are Roman surface and deep mines located in the valley of the River Cothi, near Pumsaint, Carmarthenshire, Wales. The gold mines are located within the… …   Wikipedia

• acid mine drainage — noun acid drainage triggered by mining processes, especially those which expose large surface areas of rock. Abbrev.: AMD Acid mine drainage describes the toxic environmental effect of contaminated water runoff from mining sites (often abandoned) …  

• Constructed wetland — Vertical Flow type of Constructed Wetlands A constructed wetland or wetpark is an artificial wetland, marsh or swamp created as a new or restored habitat for native and migratory wildlife, for anthropogenic discharge such as wastewater,… …   Wikipedia

• Mining — This article is about the extraction of geological materials from the Earth. For the municipality in Austria, see Mining, Austria. For the siege tactic, see Mining (military). For name of the Chinese emperor, see Daoguang Emperor. Simplified… …   Wikipedia

• Mary Murphy Mine — Tramhouse, Mary Murphy Mine, 1984 Lower ter …   Wikipedia

• North American river otter — Conservation status Least Concern
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• Climate change in West Virginia — is of a concern due to the effects on the environment. Main article: Climate change in the United States Over the last century, the average temperature in Charleston, West Virginia, has increased 1.1°F (0.61°C), and precipitation has increased by …   Wikipedia

• Rio Tinto (river) — Geobox River name = Río Tinto image caption = Photograph of Rio Tinto. (Credit Carol Stoker ) country = Spain region = Andalusia length = 100 discharge location = Huelva source name = Sierra Morena source region = Andalusia mouth location = Gulf… …   Wikipedia

• coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …   Universalium