Chuquicamata is the second deepest open-pit mine after the Utah mine known as what among locals?
Chuquicamata:  Its depth of 850 m makes it the second deepest open-pit mine in the world (after Bingham Canyon Mine in Utah, United States). Bingham Canyon Mine: The Bingham Canyon Mine, more commonly known as Kennecott Copper Mine among locals, is an open-pit mining operation extracting a large porphyry copper deposit southwest of Salt Lake City, Utah, in the Oquirrh Mountains.
i don't know