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31Dam — This article is about structures for water impoundment. For other uses, see Dam (disambiguation). Hoover Dam, a concrete arch gravity dam in Black Canyon of the Colorado River. Lake Mead in the background is impounded by the dam …
32Marcopper mining disaster — The Marcopper mining disaster was one of the Philippines largest mining disasters to date. The disaster occurred on the Philippine island of Marinduque a province of the Philippines located in the MIMAROPA region in Luzon. The Marcopper Mining… …
33Mining — 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… …
34Musonoi Mine — Metatorbernite from the Musonoi Mine Location …
35Oil sands — The Athabasca oil sands in Alberta, Canada, are a very large source of bitumen, which can be upgraded to synthetic crude oil. Bituminous sands, colloquially known as oil sands or tar sands, are a type of unconventional petroleum deposit. The… …
36Gold cyanidation — (also known as the cyanide process or the MacArthur Forrest process) is a metallurgical technique for extracting gold from low grade ore by converting the gold to a water soluble coordination complex. It is the most commonly used process for gold …
37List of Superfund sites in Utah — This is a list of Superfund sites in Utah designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law. The CERCLA federal law of 1980 authorized the United States Environmental Protection… …
38Radioactive waste — 2007 ISO radioactivity danger logo, designed in part for long term radioactive waste depositories which might survive into a far future time in which all knowledge of the meaning of present common radiation danger symbols and signs has been lost… …
39Nuclear energy policy of the United States — For other uses, see Nuclear policy of the United States. George W. Bush signing the Energy Policy Act of 2005, which gave extensive funding and aid to help reinvigorate the nuclear industry in America. The nuclear energy policy of the United… …
40Porgera Gold Mine — The Porgera Gold Mine is a large gold mining operation located in Enga province, Papua New Guinea. The mine is located at the head of the Porgera Valley, the site of the current open pit used to be Mt Wari Wari it has now been excavated.The… …
