The changing of the guard on New Year's Day '79: Kennecott Copper's 125 ton GE electric pit motors share trackage at Copperton Yard with high cab EMD GP39-2s. The diesels were replacing the venera... (more)

A visit to Kennecott Copper Corporation's Bingham Canyon Mine is a breathtaking experience. The open pit mine has been in production since 1906, and has resulted in the creation of a pit over 0.75... (more)