https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12296973Edit ImageSaveSaveEditCropCustom TextPhelps Dodge refining company, El Paso Texas. Interior of the plant showing stacks of wire bars. 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 1115 x 1200 px | 300 dpiLarge JPEG 3253 x 3500 px | 300 dpiBest Quality JPEG 4965 x 5342 px | 300 dpiTIFF 4965 x 5342 px | 300 dpi | 50.61 MBFree DownloadPhelps Dodge refining company, El Paso Texas. Interior of the plant showing stacks of wire bars. Sourced from the Library of Congress.More