| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Exploring the Yellowstone Backcountry: A Guide to the Hiking Trails of Yellowstone With Additional Sections on Canoeing, Bicycling, and Cross-Country Skiing | 978-1-578O5-OO2-4 (1-578O5-OO2-2) | 1998 |
Bach J · O. Bach · Orville E. Bach Jr.