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What is the longest river in the U.S.?
What state is bordered by Nebraska, Kansas, Oklahoma, New Mexico, Utah, Wyoming?
Death Valley is located in what state?
What U.S. state boasts the following rivers: Guadalupe, Trinity, Rio Grande, Brazos, and Colorado?
Which of the following states does NOT border the Great Lakes?
Which of the Great Lakes is located entirely within U.S. borders?
Pierre is the capital of what U.S. state?
What is the tallest mountain in the United States?
Lake Okeechobee is located in what U.S. state?
What is the smallest U.S. state?