| 其他書名 | Statutory Functions and Powers as Related to the Watershed Protection and Flood Prevention Act |
| 出版 | United States Department of Agriculture, Agricultural Research Service, 1957 |
| URL | http://books.google.com.hk/books?id=ykiK270hLE4C&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |