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Human-made Deepest Holes on the earth. - Information Hub

Bingham Canyon Mine (Utah)

For more than 100 years, the largest copper mine in the world encompasses a 2.5-mile wide shaft in the Oquirrh Mountains southwest of Salt Lake City, Utah. Considered the largest man-made excavation, the mine sinks nearly three – a quarter-mile deep and 1,900 acres. The mine opened in 1906 and is still open. However, that hasn’t stopped them from being named a National Historic Landmark with a visitor center for people who want to come and gawk. Berkeley Pit, Montana

Berkeley Pit (Montana)

Opened in 1955 as a way to extract copper in Butte, Montana, the Berkeley Pit grew to a depth of 1,700 feet before closing in 1982. Since then, the well has been filled with more than 900 feet of underground water. Combined with heavy metals and chemicals from the previous mining operation, the water has become very acidic and steps are being taken to keep the birds out of the water since a flock of 342 snow geese birds died inside. mile-long, half-mile-wide shaft in the 1990s 40a 4 Mirny Mine, Russia

Mirny Mine (Russia)

There are claims that winds around Siberia’s Mirny mine suck unsuspecting helicopters into its 1,700-foot-deep shaft eddy But even with those rumors aside, the diamond mine that started in 1955 is still completely off-limits. To house a 150-story skyscraper inside, Stalin’s diamond mine spans 3,900 feet wide and is one of the largest dug shafts in the world. And although work on the open-pit mine has ceased, Russia still mines underground at the site.

Kimberley Diamond Mine (Africa)

Located in Africa and known as one of the largest handcrafted holes in the world, “The Big Hole” actually started out as a small hill. With over 50,000 miners making their way into the ground. Beginning in 1866, the Kimberley Diamond Mine sank more than 700 feet and expanded to more than 1,500 feet wide in 1914.

Ice Cube Neutrino Observatory (Antarctica)

The University of Wisconsin, South Pole Amundsen-Scott Station in Antarctica has 86 cables reaching below the ice and supporting 60 digital optical modules that transmit data from the depths to the surface above, and that surface is far away. at depths from 4,750 feet to more than 8,000 feet, or 1.5 miles. Near about seven years to drill holes for the cables, done in the southern hemisphere summer with a 25,000-pound water hose. in melt approximately 200,000 gallons of water per hole.

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