https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12109030Edit ImageSaveSaveEditCropCustom TextAnaconda smelter, Montana. Anaconda Copper Mining Company. Flues atop the battery of roasting furnaces; the sulphurous and arsenic gases are carried to the large smokestack by Russell LeeView public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 1200 x 881 px | 300 dpiLarge JPEG 3500 x 2568 px | 300 dpiBest Quality JPEG 8622 x 6327 px | 300 dpiTIFF 8622 x 6327 px | 300 dpi | 104.05 MBFree DownloadAnaconda smelter, Montana. Anaconda Copper Mining Company. Flues atop the battery of roasting furnaces; the sulphurous and arsenic gases are carried to the large smokestack by Russell LeeMore