Bisher Formation

The Bisher Formation is a geologic formation in Ohio. It preserves fossils dating back to the Silurian period.

Bisher Formation
Stratigraphic range: Sheinwoodian
TypeFormation
UnderliesBoyle Formation and Lilley Formation
OverliesCrab Orchard Formation and Estill Shale
Location
RegionKentucky and Ohio
Country United States
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