Back to the resource library Photos of open pit mines February 10, 2005 Bingham Canyon mine, Utah — the largest open pit mine in North America. Credit: Earthworks Barrick Goldstrike mine, Nevada — in the Carlin trend. Credit: Earthworks Construction of a cyanide heap leach pad at the Crowfoot/Hycroft mine in Nevada. Credit: Earthworks See All Related Resources A Marathon of Pollution: Marathon Oil’s decade of pollution in the Texas Eagle Ford Shale Earthworks 2022 Impact Report Earthworks Journal Summer 2022 Earthworks 2022 Campaign Plan