hardrock mining industry

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• 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

• General Mining Act of 1872 — The General Mining Act of 1872 is a United States federal law that authorizes and governs prospecting and mining for economic minerals, such as gold, platinum, and silver, on federal public lands. This law, approved on May 10, 1872, codified the… …   Wikipedia

• Gold mining in Alaska — Gold mining in Alaska, a state of the United States, has been a major industry and impetus for exploration and settlement since a few years after the United States acquired the territory from Russia. Russian explorers discovered placer gold in… …   Wikipedia

• Gold mining in Colorado — Gold mining in Colorado, a state of the United States, has been an industry since 1858, and played a key role in the establishment of the state of Colorado.Explorer Zebulon Pike heard a report of gold in South Park, present day Park County,… …   Wikipedia

• National Mining Hall of Fame — and Museum Entrance Established 1977 Location Leadville, Colorado …   Wikipedia

• Juneau mining district — Infobox Settlement name = Juneau mining district official name = settlement type = Alaska Mining District nickname = motto = |pushpin pushpin label position =left pushpin map caption = pushpin mapsize = mapsize = map caption = mapsize1 = map… …   Wikipedia

• Environmental Working Group — The Environmental Working Group (EWG) is an environmental organization which specializes in environmental research and advocacy in the areas of toxic chemicals, agricultural subsidies, public lands, and corporate accountability. EWG is a non… …   Wikipedia

• Pike's Peak Gold Rush — Gold prospectors in the Rocky Mountains of western Kansas Territory. The Pike s Peak Gold Rush (later known as the Colorado Gold Rush) was the boom in gold prospecting and mining in the Pike s Peak Country of western Kansas Territory and… …   Wikipedia

• Jackson, California — Infobox Settlement official name = Jackson, California other name = native name = nickname = settlement type = City motto = Preserving our past, enriching our present, building our future imagesize = image caption = image seal size = image blank… …   Wikipedia

• Settling basin — Settling pond under construction, Blue Ribbon Mine, Alaska A settling basin, settling pond or decant pond are devices used to treat turbidity in industrial wastewater. The basins are used to control water pollution in diverse industries such as… …   Wikipedia

• Pebble Mine — Infobox Settlement name = Pebble prospect pushpin pushpin label position = left pushpin map caption = Location of the Pebble prospect in Alaska pushpin mapsize = subdivision type = Country subdivision name = United States subdivision type1 =… …   Wikipedia