| 其他書名 | Hearing[s] Before the Subcommittee on River Control--Rivers and Harbors of the Committee on Public Works, United States Senate, Ninety-first Congress, Second Session .... |
| 出版 | U.S. Government Printing Office, 1970 |
| URL | http://books.google.com.hk/books?id=wApNea3F4soC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |