What aquifer provides water for Nebraska, Kansas and Oklahoma?

More Questions:

What did Teleworld, Inc. rename itself in 1999, after its flagship product?

Who was the first Russian woman to win a Wimbledon singles title?

The Kissimmee River flows into what lake?

Andorra is landlocked by what two countries?

Into which sea does the Volga river flow?

Kiev is the capital of which European country?

What is November's birthstone?

What color is a giraffe's tongue?

What duo’s first names were Don and Phil?

Which car was the subject of the 2015 documentary, “A Faster Horse”?

Which member of "the Rat Pack" was married to a Kennedy?

What were 2 out of 3 of Andrew Lloyd Webbers wives called?

In which decade did the Wall Street crash lead to the Great Depression?

What US state has been led by Zell Miller and Alexander Stephens?

How was Mark Feld better known in the 1970s?