| 其他書名 | Hearing Before the Subcommittee on Water and Power of the Committee on Energy and Natural Resources, United States Senate, One Hundred First Congress, Second Session, on S. 1996 ... Portland, OR, August 27, 1990 |
| 出版 | U.S. Government Printing Office, 1990 |
| URL | http://books.google.com.hk/books?id=iTBBHQ4cmgMC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |