Ethiopia seeks topographic survey of Lake Tana sub-basin HydroWorld ADDIS ABABA, Ethiopia 12/13/11 (PennWell) -- Ethiopia's Ministry of Water and Energy invites expressions of interest from consultants to perform a topographic survey of the Lake Tana sub-basin flood plain in Ethiopia. Responses are due December 26. ... |
Friday, December 30, 2011
Ethiopia seeks topographic survey of Lake Tana sub-basin - HydroWorld
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