| 其他書名 | A 40-year Photographic Record of Plant Recovery on an Abused Watershed |
| 出版 | Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1977 |
| URL | http://books.google.com.hk/books?id=m3zYMEilddIC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |