Source Information
Ancestry.com. An account of the coal bank disaster at Blue Rock, Ohio [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2004.Original data: Ballou, E.. An account of the coal bank disaster at Blue Rock, Ohio : in which four men were buried beneath the hill for two weeks : together with their own account of the feelings which they experienced in their solitary confinement.. Malta, Ohio: E. Ballou, 1991.
