Description of a new stratigraphic unit and redefiniton of stratigraphy along the Wingate cliffs, McKinley and Valencia Counties, New Mexico.

Correlation of lower Tertiary stratigraphic units recently penetrated in northeastern Utah.

Scientific notes and summaries of investigations in geology, hydrology, and related fields.

"Following this discovery and further detrital-zircon studies of Mesozoic strata on the Colorado Plateau, Dr. Dickinson began preparing this volume in order to identify key aspects of the sedimentary and tectonic history of Mesozoic strata of the Colorado Plateau and directly adjacent areas. He divided the strata into seven depositional systems"--