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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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Download as PDF; Printable version; In other projects ... Pages in category "Coal mining disasters in Oklahoma" This category contains only the following page ...
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 ...
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 ...
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.
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 ...
The disaster occurred in the early hours of 22 September 1934, when a huge explosion took place about 1.3 miles (2.1km) from a shaft. Six miners managed to escape but by the evening of the next ...