Submissions from 2021
A constraint on post–6 Ma timing of western Grand Canyon (Arizona, USA) incision removed: Local derivation indicated by ca. 5.4 Ma fluvial deposits below Shivwits Plateau basalts north of Grand Canyon, Aaron T. Steelquist, George E. Hilley, Ivo Lucchitta, and Richard A. Young
Submissions from 2020
Evaluating the Shinumo-Sespe drainage connection: Arguments against the “old” (70–17 Ma) Grand Canyon models for Colorado Plateau drainage evolution, Karl E. Karlstrom, Carl E. Jacobson, Kurt E. Sundell, Athena Eyster, Ron Blakely, Raymond V. Ingersoll, Jacob A. Mulder, Richard A. Young, Sue Beard, Mark E. Holland, David L. Shuster, Carmen Winn, and Laura Crossey
Evidence for a late glacial advance near the beginning of the Younger Dryas in western New York State: An event postdating the record for local Laurentide ice sheet recession, Richard A. Young, Lee M. Gordon, Lewis A. Owen, Sebastien Huot, and Timothy D. Zerfas