U.S. Geography

What rock was adopted as Missouri's official state rock in 1967?

More Questions from U.S. Geography
What U.S. state is home to Decatur Airport?
Reveal Answer
Which company has its world headquarters in Oregon?
Reveal Answer
What was the earlier name of the Hawaiian Islands?
Reveal Answer
What is the only letter that does not appear in the name of any states in the United States?
Reveal Answer
Colorado is a Spanish word meaning what?
Reveal Answer
Which state touches 4 of the great lakes?
Reveal Answer
Which of these states does not have a coast?
Reveal Answer
Which of these Texas cities is the largest?
Reveal Answer