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| TANZANIA: SPRING PROTECTION SCHEMES A series of spring protection schemes, highlighting some of the good and bad aspects of construction: TOP: Main spring is covered however there is poor drainage of surface water. MIDDLE: Failure to cover the water means this is not really a spring 'protection' scheme. Poor drainage also. BOTTOM: Main spring is covered and there is good drainage. This is a high quality construction. (c) Geology for Global Development 2011 |
