Changes

[[Image:RockCatchmentRoof.jpg|thumb|right|200px|Building a roof for the rock catchment dam to keep it clean and minimise evaporation losses. Photo: [http://www.googlesamsamwater.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&ved=0CDcQFjAC&url=http%3A%2F%2Fwww.samsamwater.com%2Flibrary%2FBook1_Water_from_Rock_Outcropslibrary/Book1_Water_from_Rock_Outcrops.pdf&ei=Ys59T4_iLanM2gXA4NTlDA&usg=AFQjCNFY-XFDfUONAlG7HCp0p7Q4YDDOhw&sig2=UKAZc-rFHN-M4tfVsNOZGQ Water from Rock Outcrops.] DANIDA.]][[Image:RockPool.jpg|thumb|right|200px|A rock pool in near Taveta, Kenya. Photo: [http://www.googlesamsamwater.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&ved=0CDcQFjAC&url=http%3A%2F%2Fwww.samsamwater.com%2Flibrary%2FBook1_Water_from_Rock_Outcropslibrary/Book1_Water_from_Rock_Outcrops.pdf&ei=Ys59T4_iLanM2gXA4NTlDA&usg=AFQjCNFY-XFDfUONAlG7HCp0p7Q4YDDOhw&sig2=UKAZc-rFHN-M4tfVsNOZGQ Water from Rock Outcrops.] DANIDA.]][[Image:MeasureRockGradient.jpg|thumb|right|200px|To measure the rock gradient, a spirit-level horizontal on a 100cm length of timber is used. This rock is determined to be too steep. Photo: [http://www.googlesamsamwater.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&ved=0CDcQFjAC&url=http%3A%2F%2Fwww.samsamwater.com%2Flibrary%2FBook1_Water_from_Rock_Outcropslibrary/Book1_Water_from_Rock_Outcrops.pdf&ei=Ys59T4_iLanM2gXA4NTlDA&usg=AFQjCNFY-XFDfUONAlG7HCp0p7Q4YDDOhw&sig2=UKAZc-rFHN-M4tfVsNOZGQ Water from Rock Outcrops.] DANIDA.]]