https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12285309Edit ImageSaveSaveEditCropCustom TextVertial drill boring hole for blasting crew. Mahoning pit, Hibbing, Minnesota. 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 921 px | 300 dpiLarge JPEG 3500 x 2687 px | 300 dpiBest Quality JPEG 14019 x 10764 px | 300 dpiTIFF 14019 x 10764 px | 300 dpi | 143.93 MBFree DownloadVertial drill boring hole for blasting crew. Mahoning pit, Hibbing, Minnesota. Sourced from the Library of Congress.More