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DEQ Postpones PostWinter Ozone Season Meeting. The Wyoming Department of Environmental Quality (DEQ) today announced it would reschedule its PostWinter Ozone Season Update expected to .
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Small Scale Mining Info. However for the purposes of simplicity, ores have many other minerals, like magnetite, rutile, ilmenite, garnet, etc. in them, and these minerals tend to color the ore dark. Sulphide ores tend to be gray in color, while oxide ores tend to be tan to light brown in color.
The taconite mining operations in Michigan and Minnesota accounted for virtually all domestic iron ore production (Kirk, 1999a). The following taconite ore production processes will be covered by the proposed rule (EPA, 2001): C liberation of the iron ore by wet or dry crushing and grinding in gyratory crushers, cone crushers, rod mills, and ball mills;
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A business concern eligible for assistance as a small business is a business entity organized for profit, has a place of business located in the United States, and operates primarily within the United States or makes a significant contribution to the US economy through payment of taxes or use of American products, materials, or labor.
Interior Alaska's tourism industry has lost a relatively new visitor attraction, as owners of the Fort Knox gold mine discontinued their commercial tour program of the mammothsized hardrock mine and mill complex north of tours stopped as of Jan. 1, part of a corporate decision to refocus community outreach programs more towards local residents, according