https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12296713Edit 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 1200 x 1186 px | 300 dpiLarge JPEG 3500 x 3459 px | 300 dpiBest Quality JPEG 5002 x 4944 px | 300 dpiTIFF 5002 x 4944 px | 300 dpi | 47.19 MBFree Download[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Casting copper ingots]. Sourced from the Library of Congress.More