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What Is An Artesian Spring?
A well or spring that taps groundwater under pressure beneath an aquifuge or aquiclude so that water rises without pumping. If the water rises above the surface, it is known as a flowing artesian well.
A well is a hole drilled or dug down to underground water. In an artesian well the water is trapped under great pressure between layers of rock. When the well is drilled, the pressure forces the water up through the hole.
Water can be trapped underground between layers of solid rock called an aquifer. Sometimes a natural opening allows water from an aquifer to stream out of the ground. This is called an artesian spring. (Encyclopedia of Science, 1986, p. 98) |
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