| 其他書名 | Region 1 - Threatened, Endangered & Sensitive Species Program |
| 出版 | U.S. Department of Agriculture, Forest Service, Northern Region, Wildlife and Fisheries, 1989 |
| URL | http://books.google.com.hk/books?id=PtIHjtDKCO4C&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |