San Antonio Springs
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San Antonio Springs is a cluster of springs in Bexar County, Texas. These springs provide a large portion of the water for the San Antonio River, which flows from San Antonio to the Gulf of Mexico. Th
Entrance to the springs area
The largest spring, The Blue Hole
High water levels due to recent rains
Spring water pouring out of the mouth of The Blue Hole
Artesian well
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An artesian well is a well that brings groundwater to the surface without pumping because it is under pressure within a body of rock or sediment known as an aquifer. When trapped water in an aquifer i
U.S. Navy Seabees tapping an artesian well in Helmand Province, Afghanistan
Artesian well near the Myllylähde spring in Alastaro, Finland