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Laurel Run mine fire
The Laurel Run mine fire is an underground mine fire near the communities of Laurel Run and Georgetown, in Luzerne County, Pennsylvania, in the United States. The fire started burning in 1915 at the Red Ash Coal Mine. Attempts to control it lasted from 1915 to 1957 and recommenced in 1966. In the 1960s, the United States government and the Pennsylvania state government became involved in containing the fire.〔 Attempts at stopping the spread of the fire were erroneously declared successful in 1973, but the fire is still burning.
==Start of the fire and early history==
The Laurel Run mine fire began on December 6, 1915, in the Red Ash Coal Mine. A miner accidentally left a carbide lamp hanging from a timber support, which caught fire. Because of the lack of a night watchman, the fire went unnoticed for the entire weekend. When it was noticed after work resumed the following week, attempts were made to block off its air supply by pouring sand in the area and filling the openings of the mine with concrete. The mine's owners then stated that the fire was under control.〔
By 1921, it became evident that the mine fire had persisted and spread. The company operating the mine began placing temporary barriers to stop the spread of the fire so that the rest of the mine could continue to be worked. Mining in the area ended in 1957. At this point attempts to stop the spread of the fire also ceased.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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