https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12296688Edit ImageSaveSaveEditCropCustom TextPhelps Dodge refining company, El Paso, Texas. Copper is recovered from smoke that pours into these pipes from the furnaces of the refining plant. 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 1187 x 1200 px | 300 dpiLarge JPEG 3462 x 3500 px | 300 dpiBest Quality JPEG 4912 x 4966 px | 300 dpiTIFF 4912 x 4966 px | 300 dpi | 46.55 MBFree DownloadPhelps Dodge refining company, El Paso, Texas. Copper is recovered from smoke that pours into these pipes from the furnaces of the refining plant. Sourced from the Library of Congress.More