https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12296695Edit 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 1179 x 1200 px | 300 dpiLarge JPEG 3439 x 3500 px | 300 dpiBest Quality JPEG 4934 x 5022 px | 300 dpiTIFF 4934 x 5022 px | 300 dpi | 47.28 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