https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/12145956Edit ImageSaveSaveEditCropCustom TextAmaconda smelter, Montana. Anaconda Copper Mining Company. Pouring copper anodes from the refining furnace; product at this stage is about ninety-nine and one quarter percent copper by Russell LeeView public domain image source hereMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 877 x 1200 px | 300 dpiLarge JPEG 2559 x 3500 px | 300 dpiBest Quality JPEG 6287 x 8600 px | 300 dpiTIFF 6287 x 8600 px | 300 dpi | 103.13 MBFree DownloadAmaconda smelter, Montana. Anaconda Copper Mining Company. Pouring copper anodes from the refining furnace; product at this stage is about ninety-nine and one quarter percent copper by Russell LeeMore