https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12291843Edit ImageSaveSaveEditCropCustom Text[Untitled photo, possibly related to: Pittsburgh (vicinity), Pennsylvania. Montour Number Four mine of the Pittsburgh Coal Company. Miners in the room where lamps are kept]. 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 1191 px | 300 dpiLarge JPEG 3500 x 3474 px | 300 dpiBest Quality JPEG 4884 x 4848 px | 300 dpiTIFF 4884 x 4848 px | 300 dpi | 45.16 MBFree Download[Untitled photo, possibly related to: Pittsburgh (vicinity), Pennsylvania. Montour Number Four mine of the Pittsburgh Coal Company. Miners in the room where lamps are kept]. Sourced from the Library of Congress.More