Mask of the Miners ID: 3233 | This file appears in: Frontier No. 1 Mine and the Explosion that Rocked Kemmerer, Wyoming Lid of the mask the miners would have work if there was a gas leak. | Source: Photo by Kristen King. Download Original File SourcePhoto by Kristen King. "Mask of the Miners" appears in: Frontier No. 1 Mine and the Explosion that Rocked Kemmerer, Wyoming
