Monroe Coal Mining Company Revloc No. 1 Mine Explosion
Revloc, Cambria County, Pennsylvania
March 13, 1941
No. Killed - 4
An explosion in this mine was caused by an ignition of gas in sixteen left off No. 2 dip and was confined to the local area. Four men lost their lives in this explosion. The source of the ignition was probably an arc from a trolley locomotive which was being used by two mechanics.