994 resultados para Madison County
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Chromite occurs in Madison County, Montana, in two areas, one three miles southwest of Silver Star, the other five miles southeast of Sheridan. The ore bodies are small, lenticular masses surrounded by metamorphosed sedimentary rocks of the pre-Cambrian Cherry Creek series. The ore was deposited from the hydrothermal solutions which serpentinized the surrounding metamorphic host rocks.
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The purpose of this paper is to investigate the occurrence and character of the vermiculite deposits approximately four miles northwest of Pony; Madison County, Montana. The deposits are situated in rolling foothills at the northern end of the Tobacco Root Mountains.
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Potential gold mines lie high among the rugged peaks of the Tobacco Root Mountains of southwestern Montana. This is a region where little geologic work has been done, though extensive mine operations have been carried on, and valuable ore has been shipped.
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National Highway Traffic Safety Administration, Washington, D.C.
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Submitted to the United States Army Corps of Engineers, St. Louis District, in partial fulfillment of Contract #DACW43-81-M-2728.
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"January, 1970."
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A recommendation to use a portion of the Illinois General Assembly's appropriation for the Wood River Drainage and Levee District--funds to help defray the District's funding requirements associated with U.S. Army Corps of Engineers' projects--for the construction of the Grassy Lake Pump Station to alleviate interior flooding within the District.
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"October, 1982."
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"IEPA/WPC/86-001."
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"IEPA/WPC/84-030."
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"November, 1982."
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Audit report on Madison County, Iowa for the year ended June 30, 2015