This diagram illustrates an artesian well. An artesian well is a well bored perpendicularly into water-bearing strata lying at an angle, so that natural pressure produces a natural supply of water with little or no pumping.
LEARN NC, a program of the University of North Carolina at Chapel Hill School of Education,
finds the most innovative and successful practices in K–12 education and makes them available to the teachers
and students of North Carolina — and the world.