Oh, and you really think a pipeline crossing the Oglalla aquifer is a good idea?
From the dotearth.blogs.nytimes.com
Piezometers are monitoring wells completed over a very short section of aquifer.
From the en.wikipedia.org
At Preese Hall, Cuadrilla's drilling cuts through an aquifer to reach the shale.
From the guardian.co.uk
Perhaps the Sahara has a bountiful aquifer and millions of acres of fertile land.
From the latimes.com
That leaves only about 7 inches to sink into the ground to replenish the aquifer.
From the orlandosentinel.com
We need to research the use of groundwater and means of recharging the aquifer.
From the dailyherald.com
Cuadrilla's bore passes through an aquifer before it reaches the shale formation.
From the guardian.co.uk
At the Preese Hall Farm site, an aquifer lies 200-400 metres below the surface.
From the guardian.co.uk
Today, a handful of area spas rely on the vast geothermal aquifer under the city.
From the latimes.com
More examples
Underground bed or layer yielding ground water for wells and springs etc
(aquiferous) of or relating to an aquifer
An aquifer is an underground layer of water-bearing permeable rock or unconsolidated materials (gravel, sand, silt, or clay) from which groundwater can be usefully extracted using a water well. The study of water flow in aquifers and the characterization of aquifers is called hydrogeology. ...
An underground layer of water-bearing porous stone, earth, or gravel
(Aquifers) A geological formation or structure that stores and/or transmits water, such as to wells and springs.
(Aquifers) A water-saturated geologic zone that yields a sufficiently high volume of water to supply wells and springs at a rate so that they can serve as practical sources of water.
(Aquifers) Underground formations that naturally contain water, usually NO hydrocarbons. These are sometimes used for natural gas storage.
A layer or zone below the surface of the earth which is capable of yielding a significant volume of water.
A water-bearing bed of porous rock, often sandstone.