While these wells often pull up groundwater from easily accessible glacial aquifers, these sources are sometimes too shallow from which to safely draw. In that case, the wells must be dug deeper ...

Scientists found that the underground aquifer holds at least 19.4 cubic ... from Northern California to British Columbia, Canada, and has been built up by volcanic activity over millions of ...

Industrial agriculture on the Great Plains began in the 1950s when mechanized pumps and sprinkler irrigation systems allowed trillions of gallons of water to be pulled each year from the Ogallala ...

The well, wide enough to fall into, taps into the Ogallala aquifer, the immense underground freshwater basin that makes modern life possible in the dry states of Middle America. We have come to ...