Kennecott Copper Mine Facts
kennecott the copper mine in your own backyard,kennecott facts. has produced more copper than any mine in history, more than 19 million tons. it is 2 and 3/4 miles across at the top and 3/4 of .massive landslide at utah copper mine ,at more than 970 m deep, kennecott's bingham canyon mine is the largest man-made excavation in the world. it has been in operation since 1906 and produces .kennecott's bingham canyon copper mine,also known as kennecott copper, this site is the largest copper mine in the world, and the largest man-made excavation on earth. with a lot of .copper mining in arizona,copper mining in arizona, a state of the united states, has been a major industry since the 19th century. in 2007 arizona was the leading copper-producing .