https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12315204Edit ImageSaveSaveEditCropCustom Text[Untitled photo, possibly related to: Tapping the slag at a blast furnace, Pittsburgh, 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 861 px | 300 dpiLarge JPEG 3500 x 2512 px | 300 dpiBest Quality JPEG 4299 x 3086 px | 300 dpiTIFF 4299 x 3086 px | 300 dpi | 25.33 MBFree Download[Untitled photo, possibly related to: Tapping the slag at a blast furnace, Pittsburgh, Pennsylvania]. Sourced from the Library of Congress.More