https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12170005Edit ImageSaveSaveEditCropCustom TextAdding a length of drilling pipe at oil well in Seminole oil field, Oklahoma. Lower end of traveling block is attached to pipe in rat hole by means of rope operated off winch by Russell LeeView public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1200 x 838 px | 300 dpiLarge JPEG 3500 x 2444 px | 300 dpiBest Quality JPEG 4344 x 3033 px | 300 dpiTIFF 4344 x 3033 px | 300 dpi | 25.13 MBFree DownloadAdding a length of drilling pipe at oil well in Seminole oil field, Oklahoma. Lower end of traveling block is attached to pipe in rat hole by means of rope operated off winch by Russell LeeMore