1.3 million 3 million 13 million 300 000
Calvin Coolidge Franklin D Roosevelt Herber Hoover Dwight D Eisenhower
Mississippi River De Moines River Iowa River Missouri River
Soy Beans Corn Oats Rye
Hawkeye State Hoosier State Mountain State Buckeye State
Interstate 74 Interstate 29 Interstate 80 Interstate 35
Minnesota Missouri Montana Nebraska Maine Rhode Island Mississippi North Carolina
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