https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12314977Edit ImageSaveSaveEditCropCustom TextMiners at shaft of copper mine, Butte, Montana. 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 1200 x 873 px | 300 dpiLarge JPEG 3500 x 2547 px | 300 dpiBest Quality JPEG 4319 x 3143 px | 300 dpiTIFF 4319 x 3143 px | 300 dpi | 25.9 MBFree DownloadMiners at shaft of copper mine, Butte, Montana. Sourced from the Library of Congress.More