| 其他書名 | Including Bridger, Fitzpatrick, & Popo Agie Wilderness Areas and Wind River Reservation : Climbing Routes & Back Country, American Rating System |
| 出版 | Bonney, 1977 |
| ISBN | 08040078459780804007849 |
| URL | http://books.google.com.hk/books?id=BEsTAQAAIAAJ&hl=&source=gbs_api |