https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8770192Edit ImageSaveSaveEditCropCustom TextA Miner at the Black Lung Laboratory in the Appalachian Regional Hospital in Beckley, West Virginia, Is Having His Lung Capacity Tested to Determine Whether He Has the Disease 06/1974. Photographer: Corn, Jack. Original public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGSmall JPEG 807 x 1200 px | 300 dpiLarge JPEG 2018 x 3000 px | 300 dpiFree DownloadA Miner at the Black Lung Laboratory in the Appalachian Regional Hospital in Beckley, West Virginia, Is Having His Lung Capacity Tested to Determine Whether He Has the Disease 06/1974. Photographer: Corn, Jack. Original public domain image from FlickrMore