https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12283502Edit ImageSaveSaveEditCropCustom TextPlanning operation, pattern shop. Keystone Drilling Company. Beaver Falls, Pennsylvania. 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 930 px | 300 dpiLarge JPEG 3500 x 2711 px | 300 dpiBest Quality JPEG 13790 x 10683 px | 300 dpiTIFF 13790 x 10683 px | 300 dpi | 140.52 MBFree DownloadPlanning operation, pattern shop. Keystone Drilling Company. Beaver Falls, Pennsylvania. Sourced from the Library of Congress.More