Earth: An Introduction to Physical Geology (12th Edition)

Published by Pearson
ISBN 10: 0134074254
ISBN 13: 978-0-13407-425-2

Chapter 17 - Section 17.5 - Wells and Artesian Systems - Eye on Earth 17.3 - Page 514: 2

Answer

A well like this, which yields water that rises to the surface without pumping, is known as a flowing artesian well. The pressure in the confined aquifer pushes the water up through the well casing and causes it to flow naturally at the surface.

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