https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12335907Edit ImageSaveSaveEditCropCustom TextMachine 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 920 px | 300 dpiLarge JPEG 3500 x 2685 px | 300 dpiBest Quality JPEG 13764 x 10558 px | 300 dpiTIFF 13764 x 10558 px | 300 dpi | 138.61 MBFree DownloadMachine shop. Keystone Drilling Company. Beaver Falls, Pennsylvania. Sourced from the Library of Congress.More