Historical Marker
Worlds Greatest Mine Fire
Historical marker location:
New Straitsville, Ohio
( Marker can be reached from the intersection of Ohio Route 93 and Rock Run Road (County Route 41), on the left when traveling south.)
Marker installed: 2011
The Ohio River Valley was home to several Native American cultures before European settlement, including the Adena and Hopewell cultures. These cultures left behind many burial mounds and other archaeological sites that are now protected and preserved by the state of Ohio.