Environmental geology conservation, land-use planning, and resource management.
| Autor principal: | |
|---|---|
| Format: | Llibre | 
| Idioma: | English | 
| Publicat: | 
        New York
          Harper & Row
    
        [c1970]
     | 
| Matèries: | |
| Accés en línia: | Table of contents only |