https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12297193Edit ImageSaveSaveEditCropCustom Text[Untitled photo, possibly related to: Flotation machines at one of the copper concentrators of the Utah Copper Company in its plants at Magna and Arthur, Utah]. 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 910 px | 300 dpiLarge JPEG 3500 x 2654 px | 300 dpiBest Quality JPEG 10126 x 7679 px | 300 dpiTIFF 10126 x 7679 px | 300 dpi | 148.33 MBFree Download[Untitled photo, possibly related to: Flotation machines at one of the copper concentrators of the Utah Copper Company in its plants at Magna and Arthur, Utah]. Sourced from the Library of Congress.More