them three hours to escape the mine. He was featured in a documentary of the explosion by Justin Zimmerman, entitled "Meeting Again". Sigmund Kozma died on January 3, 2009, coincidentally on the same day as his wife. He is survived by his 5 daughters. See also List of mining disasters References External links Millfield Tragedy Revisited Ohio Geology, Fall 1995. Millfield Mine Disaster Correction Ohio Geology, Winter 1996. Millfield Coal Mine Disaster "Meeting Again" at brickerdown.com Coal mining disasters in Ohio Athens County, Ohio 1930 mining disasters 1930 in Ohio 1930 disasters in the United States Historic American Engineering Record in Ohio