| 其他書名 | Hearing Before the Minerals, Materials and Fuels Subcommittee of the Committee on Interior and Insular Affairs, United States Senate, Eighty-fifth Congress, First Session. February 26, 1957 |
| 出版 | U.S. Government Printing Office, 1957 |
| URL | http://books.google.com.hk/books?id=fGIvAAAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |