International Geoscience Programme Project 653 Third Annual Meeting - Athens, Ohio, USA Field Trip Guidebook THE CLASSIC UPPER ORDOVICIAN STRATIGRAPHY AND PALEONTOLOGY OF THE EASTERN CINCINNATI ARCH Carlton E. Brett – Kyle R. Hartshorn – Allison L. Young – Cameron E. Schwalbach – Alycia L. Stigall International Geoscience Programme (IGCP) Project 653 Third Annual Meeting - 2018 - Athens, Ohio, USA Field Trip Guidebook THE CLASSIC UPPER ORDOVICIAN STRATIGRAPHY AND PALEONTOLOGY OF THE EASTERN CINCINNATI ARCH Carlton E. Brett Department of Geology, University of Cincinnati, 2624 Clifton Avenue, Cincinnati, Ohio 45221, USA (
[email protected]) Kyle R. Hartshorn Dry Dredgers, 6473 Jayfield Drive, Hamilton, Ohio 45011, USA (
[email protected]) Allison L. Young Department of Geology, University of Cincinnati, 2624 Clifton Avenue, Cincinnati, Ohio 45221, USA (
[email protected]) Cameron E. Schwalbach 1099 Clough Pike, Batavia, OH 45103, USA (
[email protected]) Alycia L. Stigall Department of Geological Sciences and OHIO Center for Ecology and Evolutionary Studies, Ohio University, 316 Clippinger Lab, Athens, Ohio 45701, USA (
[email protected]) ACKNOWLEDGMENTS We extend our thanks to the many colleagues and students who have aided us in our field work, discussions, and publications, including Chris Aucoin, Ben Dattilo, Brad Deline, Rebecca Freeman, Steve Holland, T.J. Malgieri, Pat McLaughlin, Charles Mitchell, Tim Paton, Alex Ries, Tom Schramm, and James Thomka. No less gratitude goes to the many local collectors, amateurs in name only: Jack Kallmeyer, Tom Bantel, Don Bissett, Dan Cooper, Stephen Felton, Ron Fine, Rich Fuchs, Bill Heimbrock, Jerry Rush, and dozens of other Dry Dredgers. We are also grateful to David Meyer and Arnie Miller for insightful discussions of the Cincinnatian, and to Richard A.