Concepts for national assessment of water availability and use report to Congress.
| Format: | Knjiga | 
|---|---|
| Jezik: | English | 
| Izdano: | Reston, Va.
          U.S. Geological Survey
    
        2002. | 
| Serija: | U.S. Geological Survey circular
              1223 | 
| Teme: | 


