Back to the resource library Photos of open pit mines February 10, 2005 | Share: 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 Comments on Draft Rules for Colorado Refinery Rulemaking Plumes in the Permian: How New Mexico Can Leverage Satellites to Find And Fix Oil and Gas Emissions Earthworks 2026 Impact Report September 2026 OGI Surveys – Germany and Netherlands