West ia MINE DISASTERS
Note: From 1884 to 1961, accidents fatally injuring five or more employees were classed as disasters. From 1961 to date, accidents fatally injuring three or more employees are classed as disasters. * December 14, 1906 This explosion killed 4 employees and 2 individuals on the surface near the mine. Last revised: 03/28/16 02:05 PM [MHST Homepage] [Publications Page] [ Frequently Asked Questions]