Artesian wells occur when these structures meet the surface.
Saline intrusion in these formations can occur in coastal areas when these structures are over-accessed. Artesian wells occur when these structures meet the surface. In the United States, the Mahomet one lies in Illinois, and the Ogallala one, which lies in the Great Plains, provides thirty percent of the nation's irrigation water. For 10 points, name these areas of permeable rock that store groundwater.
Saline intrusion in these formations can occur in coastal areas when these structures are over-accessed.
aquifer