https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/12152221Edit ImageSaveSaveEditCropCustom Text[Untitled photo, possibly related to: Anaconda smelter, Montana. Anaconda Copper Mining Company. Batteries of Hardinge ballmills reduce ore to the fineness of flour] by Russell LeeView public domain image source hereMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1200 x 886 px | 300 dpiLarge JPEG 3500 x 2585 px | 300 dpiBest Quality JPEG 8697 x 6423 px | 300 dpiTIFF 8697 x 6423 px | 300 dpi | 106.55 MBFree Download[Untitled photo, possibly related to: Anaconda smelter, Montana. Anaconda Copper Mining Company. Batteries of Hardinge ballmills reduce ore to the fineness of flour] by Russell LeeMore