Concepts for national assessment of water availability and use report to Congress.
| Formatua: | Liburua |
|---|---|
| Hizkuntza: | English |
| Argitaratua: |
Reston, Va.
U.S. Geological Survey
2002.
|
| Saila: | U.S. Geological Survey circular
1223 |
| Gaiak: |