https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12296707Edit ImageSaveSaveEditCropCustom Text[Untitled photo, possibly related to: Phelps 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 1135 x 1200 px | 300 dpiLarge JPEG 3310 x 3500 px | 300 dpiBest Quality JPEG 4988 x 5275 px | 300 dpiTIFF 4988 x 5275 px | 300 dpi | 50.21 MBFree Download[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Copper received from the smelter ready for refining]. Sourced from the Library of Congress.More