| 其他書名 | A Summary of Activities and Programs of the U.S. Geological Survey's, Water Resources Division |
| 出版 | U.S. Department of the Interior, Geological Survey, 1983 |
| URL | http://books.google.com.hk/books?id=ejMDVgN-oHYC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |