Forest influences; the effects of woody vegetation on climate, water, and soil, with applications to the conservation of water and the control of floods and erosion
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | New York
          McGraw-Hill
    
        1948. | 
| Cyfres: | The American forestry series | 
| Pynciau: |