| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Colorado River Through Glen Canyon: Before Lake Powell | 978-0-9648078-1-5 (0-9648078-1-5) | 1995 | |
| The Colorado River Through Glen Canyon: Before Lake Powell | 978-0-9648078-0-8 (0-9648078-0-7) | 1995 | Glen Canyon Natural History Association |