Encyclopedia > Ogallala Aquifer

  Article Content

Ogallala Aquifer

The Ogallala Aquifer is located beneath the Great Plains in the United States. It is an underground water pool that dates back to the last ice age, over 10,000 years ago.



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Proportional representation

... districts to ensure that a minority group is in the majority in one or more specific districts. Examples of the use of proportional representation election ...