World's Largest Man-Made Excavation, world
Salt Lake City, Utah, United States--The Bingham Canyon Mine, also known as Kennecott Copper Mine, owned by Rio Tinto Group, is an open-pit mining operation extracting a large porphyry copper deposit southwest of Salt Lake City, Utah, in the Oquirrh Mountains; the mine has resulted in the creation of a pit over 0.75 miles (1,210 m) deep, …
