https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12294313Edit ImageSaveSaveEditCropCustom TextMorenci, Arizona. Loading copper ore from an open-pit mine into ore cars which transport the ore to the smelter plant at the Phelps Dodge mining corporation. Sourced from the Library of Congress.View public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1183 x 1200 px | 300 dpiLarge JPEG 3450 x 3500 px | 300 dpiBest Quality JPEG 4819 x 4889 px | 300 dpiTIFF 4819 x 4889 px | 300 dpi | 44.96 MBFree DownloadMorenci, Arizona. Loading copper ore from an open-pit mine into ore cars which transport the ore to the smelter plant at the Phelps Dodge mining corporation. Sourced from the Library of Congress.More