EUGENE P. KIVER, PhD, is a professor of geology at Eastern Washington University in Cheney, Washington. Dr. Kiver received his doctorate in geology from the University of Wyoming. He is coauthor of the Fourth Edition of this book, and prepared the revisions of this Fifth Edition.
DAVID V. HARRIS, PhD (deceased), was a professor of geology at Colorado State University from 1946 until 1976. He was the author of the first three editions of this book, and coauthor of the Fourth Edition, then titled Geologic Story of National Parks and Monuments.