- Stratigraphy of the Mississippian system, south-central Colorado and north-central New Mexico, by Augustus K. Armstrong, Bernard L. Mamet, and John E. Repetski
- Conodonts from the Genesee formation in western New York, by John W. Huddle; assisted by John E. Repetski
- Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Medina County, Ohio, through southwestern and south-central Pennsylvania to Hampshire County, West Virginia, by Robert T. Ryder, Anita G. Harris, and John E. Repetski