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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]
The first seven counties were later renamed. The Oklahoma Constitutional Convention named all of the counties that were formed when Oklahoma entered statehood in 1907. Only two counties have been formed since then. [2] Upon statehood, all Oklahoma counties allowed civil townships within their counties. A few years after statehood, a ...
The Swedish mining company LKAB (Luossavaara-Kiirunavaara Aktiebolag) has been mining the mountain since the beginning of the 20th century. [2] [3] [4] The mining area around Kiruna and Malmberget, together with the iron port and steelworks at Luleå, made Norrbotten County one of the first, and most prominent, regions of heavy industry in ...
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. How the once-booming mine town of Picher ...
Kiruna is located in the north of Sweden, 145 kilometres (90 mi) north of the Arctic Circle. The city centre is built on the Haukavaara hill at an altitude of 530 m, high above the Torne river to the north and the Kalix River to the south. Other parts of the town are Lombolo and Tuolluvaara. Near Kiruna are the mountains Kiirunavaara and ...
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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]
Some Oklahoma counties saw a wider margin than others, but Trump did win the majority of votes in all of Oklahoma's 77 counties, which makes us an "all-red state."