https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13993678Edit ImageSaveSaveEditCropCustom TextAn iron mine and miners working. Etching by J. Heath, 1813, after C.M. Metz.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 956 px | 300 dpiLarge JPEG 3072 x 2448 px | 300 dpiFree DownloadAn iron mine and miners working. Etching by J. Heath, 1813, after C.M. Metz.More