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SubTropolis is a business complex located inside of a 55,000,000-square-foot (5,100,000 m 2), 1,260-acre (5.1 km 2) mine in the bluffs north of the Missouri River in Kansas City, Missouri, United States.
Map showing helium-rich gas fields and helium processing plants in the United States, 2012. From USGS. Helium production in the United States totaled 73 million cubic meters in 2014. The US was the world's largest helium producer, providing 40 percent of world supply. In addition, the US federal government sold 30 million cubic meters from storage.
After the Helium Acts Amendments of 1960 (Public Law 86–666), the U.S. Bureau of Mines arranged for five private plants to recover helium from natural gas. For this helium conservation program, the Bureau built a 425-mile (684 km) pipeline from Bushton , Kansas, to connect those plants with the government's partially depleted Cliffside gas ...
Arcadia Valley is a valley in the St. Francois Mountains of the Ozark Plateau in Iron County, Missouri, United States. Located about 80 miles south of St. Louis, the valley includes the towns of Arcadia, Ironton and Pilot Knob, all founded in the 19th century. Arcadia Valley has been a non-indigenous settlement for over 300 years.
English: This is a map showing subdistricts of the Southeast Missouri Lead District and the locations of mines opened since 1953, some now closed, all on the west side of the district. The Indian Creek Mine opened in 1953 following exploration for new deposits to replace those being depleted in the Old Lead Belt, and development of the Viburnum ...
This is a list of Superfund sites in Missouri 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 Agency (EPA) to create a list of polluted locations requiring a long-term response to clean up hazardous material contaminations. [1]
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Pages in category "Mining in Missouri" The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes. S.