Mountain Press · Mountaineers Books
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Geology Underfoot Along Colorado's Front Range | 978-0-87842-595-2 (0-87842-595-0) | 2012 | Lon Abbot |
| Geology Underfoot in Northern Arizona | 978-0-87842-528-0 (0-87842-528-4) | 2007 | " |
| Hiking Grand Canyon's Geology | 978-0-89886-895-1 (0-89886-895-5) | 2003 | Lon Abbott |