https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12327118Edit ImageSaveSaveEditCropCustom TextPicketing. Copper miners on strike waiting for scabs to come out of mines. Ducktown, Tennessee. 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 920 px | 300 dpiLarge JPEG 3500 x 2682 px | 300 dpiBest Quality JPEG 13672 x 10477 px | 300 dpiTIFF 13672 x 10477 px | 300 dpi | 136.62 MBFree DownloadPicketing. Copper miners on strike waiting for scabs to come out of mines. Ducktown, Tennessee. Sourced from the Library of Congress.More