https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/12151940Edit ImageSaveSaveEditCropCustom TextGreat Falls, Montana. Anaconda Copper Mining Company. Workmen at control board of a stranding machine by Russell LeeView public domain image source hereMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 879 x 1200 px | 300 dpiLarge JPEG 2564 x 3500 px | 300 dpiBest Quality JPEG 6366 x 8691 px | 300 dpiTIFF 6366 x 8691 px | 300 dpi | 105.53 MBFree DownloadGreat Falls, Montana. Anaconda Copper Mining Company. Workmen at control board of a stranding machine by Russell LeeMore