Most Popular Books
- Geology of the Grand Canyon: A Guide and Index to Published Graphic and Tabular Data (Excluding Paleontology)
- Quest for the Pillar of Gold: The Mines & Miners of the Grand Canyon (Monograph)
- Bibliography of the Grand Canyon and the Lower Colorado River from 1540
- Colorado River: Origin and Evolution; Proceedings of a Symposium Held at Grand Canyon National Park in June, 2000 (Monograph)
