| 其他書名 | Yukon-Charley Rivers National Preserve, Alaska |
| 出版 | U.S. Department of the Interior, National Park Service, Minerals Management Division, Alaska Regional Office, 1989 |
| URL | http://books.google.com.hk/books?id=tjkuBhZNm2cC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |