Land subsidence in the United States.
| Autor principal: | |
|---|---|
| Format: | Llibre | 
| Idioma: | English | 
| Publicat: | Reston, Virginia
          U.S. Geological Survey
    
        1999 | 
| Matèries: | 
| Autor principal: | |
|---|---|
| Format: | Llibre | 
| Idioma: | English | 
| Publicat: | Reston, Virginia
          U.S. Geological Survey
    
        1999 | 
| Matèries: |