https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12334238Edit ImageSaveSaveEditCropCustom TextUsing 2000 pound steam hammer on jar rein for drilling equipment. 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 923 px | 300 dpiLarge JPEG 3500 x 2692 px | 300 dpiBest Quality JPEG 13976 x 10750 px | 300 dpiTIFF 13976 x 10750 px | 300 dpi | 143.3 MBFree DownloadUsing 2000 pound steam hammer on jar rein for drilling equipment. Keystone Drilling Company, Beaver Falls, Pennsylvania. Sourced from the Library of Congress.More