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In the beginning, surface mining was used, but the mine has been mined with the sublevel caving mining method since the 1960s. In 1985 reserves for the Kiruna Mine were 1,800 million tonnes grading 60–65% iron and 0.2% phosphorus. [26] [1] As of 2018 the Kiruna Mine had Proven and Probable Reserves of 683 million tonnes grading 43.8% iron. [27]
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Picher, Oklahoma was incorporated in 1918 after ore was discovered. All that remains in the ghost town are empty buildings and piles of toxic waste. Picher, Oklahoma was incorporated in 1918 after ...
On March 6, 2020, the OMB delineated six combined statistical areas, five metropolitan statistical areas, and 17 micropolitan statistical areas in Oklahoma. [1] As of 2023, the largest of these is the Oklahoma City-Shawnee, OK CSA , comprising the area around Oklahoma City , Oklahoma's capital and largest city.
Adamson is a ghost town in Pittsburg County, Oklahoma, United States. [2] It was located between McAlester and Wilburton. The town contained 15 coal mines. Four mines were major producers. A post office was established at Adamson, Indian Territory on March 1, 1906. [3] The town was named for Peter Adamson, a mine owner.
This is a list of Superfund sites in Oklahoma 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]
McCurtain is a town in Haskell County, Oklahoma, United States. The population was 357 at the 2020 census, a 30.8% decrease over the figure of 516 recorded in 2010. [4] A coal mine disaster in 1912 killed 73 miners and ended McCurtain's prosperity. The mine explosion remains one of the worst disasters in Oklahoma history.