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 Earthworks 2022 Campaign Plan Earthworks 2021 Annual Report Safety First: Executive Summary Safety First: Guidelines for Responsible Mine Tailings Management