https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12108028Edit ImageSaveSaveEditCropCustom Text[Untitled photo, possibly related to: Tightening the nipple on the end of drill pipe oil field, Kilgore, Texas. This part of operation to determine direction and draft of drilling] by Russell LeeView public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 1200 x 834 px | 300 dpiLarge JPEG 3500 x 2431 px | 300 dpiBest Quality JPEG 4284 x 2976 px | 300 dpiTIFF 4284 x 2976 px | 300 dpi | 24.32 MBFree Download[Untitled photo, possibly related to: Tightening the nipple on the end of drill pipe oil field, Kilgore, Texas. This part of operation to determine direction and draft of drilling] by Russell LeeMore