https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12286446Edit ImageSaveSaveEditCropCustom TextVertical drill boring hole for blasting, 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 933 x 1200 px | 300 dpiLarge JPEG 2720 x 3500 px | 300 dpiBest Quality JPEG 10727 x 13803 px | 300 dpiTIFF 10727 x 13803 px | 300 dpi | 141.23 MBFree DownloadVertical drill boring hole for blasting, Mahoning pit. Hibbing, Minnesota. Sourced from the Library of Congress.More