https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12296966Edit ImageSaveSaveEditCropCustom TextPhelps Dodge refining company, El Paso, Texas. Copper received from the smelter ready for refining. 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 1114 x 1200 px | 300 dpiLarge JPEG 3251 x 3500 px | 300 dpiBest Quality JPEG 4926 x 5304 px | 300 dpiTIFF 4926 x 5304 px | 300 dpi | 49.86 MBFree DownloadPhelps Dodge refining company, El Paso, Texas. Copper received from the smelter ready for refining. Sourced from the Library of Congress.More