We went on a tour of the ASARCO mission copper mine in Sahuarita, AZ. It is the second largest copper mine in Arizona. Two thirds of the copper in the U.S. comes from Arizona. Here are a handful of photos taken on the tour of this open pit mine and part of the ore processing facilities.
It was very interesting and we learned a lot of mind boggling details. Definitely worth checking out.
Click here for many more photos and some crazy numbers.