https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12246083Edit ImageSaveSaveEditCropCustom TextWorkers entering plant at afternoon change of shift. Electric Boat Works, Groton, Connecticut. 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 829 x 1200 px | 300 dpiLarge JPEG 2417 x 3500 px | 300 dpiBest Quality JPEG 2991 x 4331 px | 300 dpiTIFF 2991 x 4331 px | 300 dpi | 24.71 MBFree DownloadWorkers entering plant at afternoon change of shift. Electric Boat Works, Groton, Connecticut. Sourced from the Library of Congress.More