https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12296970Edit ImageSaveSaveEditCropCustom Text[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Casting copper ingots]. 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 1140 x 1200 px | 300 dpiLarge JPEG 3324 x 3500 px | 300 dpiBest Quality JPEG 4855 x 5112 px | 300 dpiTIFF 4855 x 5112 px | 300 dpi | 47.36 MBFree Download[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Casting copper ingots]. Sourced from the Library of Congress.More