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The Smith Mine disaster was the worst coal mining disaster in the State of Montana, and the 43rd worst in the United States, according to the National Institute for Occupational Safety and Health (NIOSH).〔(NIOSH mining statistics )〕 On February 27, 1943, at approximately 9:37 a.m., an explosion ripped through Smith Mine No. 3, a coal mine located between the towns of Bearcreek and Washoe. Since it was a Saturday, there was a short crew in the mine. Of the 77 men working that day, only three got out of the mine alive, and one of the rescue workers died soon afterwards. The report from the United States Bureau of Mines states that 30 of the men were killed instantly by the explosion, and the remainder died either through injuries sustained in the explosion, or through suffocation from the carbon monoxide and methane gas in the mine. The explosion was deep underground, and was not even heard from the mouth of the mine, despite having enough power to knock a 20-ton locomotive off its tracks 0.25 mile (0.4 km) from the blast origin. All of the bodies were removed from the mine. There is a highway plaque near the mouth of the mine, which was never reopened, and there are memorials in the cemeteries in Bearcreek and nearby Red Lodge, the county seat for Carbon County. The explosion was attributed to a build-up of methane gas in the mine. The cause of detonation is unknown, but various reports note that men were allowed to smoke in the mine, and that fuses for blasting were lit with matches. == References == * 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Smith Mine disaster」の詳細全文を読む スポンサード リンク
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