How can the relative positions of an aquifer and aquiclude result in the presence of a spring?

Springs occur naturally and are found where an aquifer and an aquiclude intersect the surface. Or where a confining layer is broken and water rises to the surface by itself. “Artesian Spring”
 
A well is a pipe inserted by people. Using a pump, water is drawn to the surface. In the case of an Artesian Well, the water rises into the pipe by itself from a confined aquifer.

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2cool and cold temperature unless its an ever green tree 

The geographic feature in the westernmost corner of kenya is answer: the great rift vally