Category: Uncategorized
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Centralia Mine Fire (Centralia, Pennsylvania USA)
“Centralia is a borough and ghost town in Columbia County, Pennsylvania, United States. Its population has dwindled from over 1,000 residents in 1981 to 12 in 2005, 9 in 2007, and 10 in 2010, as a result of a mine fire burning beneath the borough since 1962. Centralia is one of the least-populated municipalities in…
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Introduction
This website was created for those who want to learn more about mining by participating in mine tours and visiting mine museums, and for those who just want to marvel at the sometimes spectacular excavations made my miners. From the Wikipedia entry on mining: Mining is the extraction of valuable minerals or other geological materials from the…
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Berkeley Pit (Butte, Montana)
“The Berkeley Pit is a former open pit copper mine located in Butte, Montana, United States. It is one mile long by half a mile wide with an approximate depth of 1,780 feet (540 m). It is filled to a depth of about 900 feet (270 m) with water that is heavily acidic (2.5 pH level), about…
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Thornton Quarry (Thornton, Illinois USA)
Thornton Quarry is one of the largest aggregate quarries in the world, located in Thornton, Illinois just south of Chicago. Work at the quarry began in 1924 by Colonel Hodgkins, and since 1938 has been operated by the Material Service Corporation. The quarry is 1.5 miles (2.5 km) long, 0.5 miles (1 km) wide, and…