English (en) | Change Language

Sort: Relevance | Newest first | Oldest first


1 items found (Showing 1 - 1)
  1. Key Resource 2011-01-01 A sand dam is a reinforced concrete wall built across a seasonal river to hold underground water in sand (see above photo of Nzaaya Muisyo sand dam, Eastern province, Kenya). It is initially built one meter high and up to 90 meters across. During the heavy and erratic seasonal rains, the water...  

Looking for more results?

Ask the community about *