Farmers have been pumping water out of the Ogallala Aquifer far faster than the aquifer has been absorbing rainwater. https://en.wikipedia.org/wiki/Ogallala_Aq

Farmers have been pumping water out of the Ogallala Aquifer far faster than the aquifer has been absorbing rainwater. https://en.wikipedia.org/wiki/Ogallala_Aquifer https://en.wikipedia.org/wiki/Ogallala_Aquifer