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 Minimizing Mining Impacts on the Road to Zero Emissions Transport CERTIFIED GASLIGHTING: Fact Sheet CERTIFIED GASLIGHTING: How gas certification has gained a policy foothold, even as it fails to prove it can accurately detect emissions Earthworks 2024 Campaign Plan