Hand dug wells and their construction
| Main Author: | |
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| Other Authors: | |
| Format: | Book | 
| Language: | English | 
| Published: | London
          Intermediate Technology Publications
    
        c1979. | 
| Subjects: | 
| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Book | 
| Language: | English | 
| Published: | London
          Intermediate Technology Publications
    
        c1979. | 
| Subjects: |