McMillan Formation explained
The McMillan Formation is a geologic formation in Ohio, Kentucky and Indiana. It preserves fossils dating back to the Ordovician period.
See also
References
- Specific
- Schramm . Thomas J . Sequence Stratigraphy of the Late Ordovician (Katian), Maysvillian Stage of the Cincinnati Arch, Indiana, Kentucky, and Ohio, U.S.A. . . PhD . 2011 . 2020-12-02 . Select link from files section of linked page. .