Chesser, W.L., 1971, The nature and development of the Esplanade in the Grand Canyon, Arizona: Provo, Utah, Brigham Young University, M.S. thesis.
Chesser, W.L.
Provo, Utah, Brigham Young University, M.S. thesis.
Sedimentary Petrology, Geomorphology, [Hermit Shale][Hermit Fm], [Supai Fm][Supai Group] - Pennsylvanian/Permian,