This state's northeastern
This state's northeastern city of Decorah is home to an impact crater where a five-foot-long sea scorpion fossil was discovered in September 2015. A "University of Management" in this state teaches Transcendental Meditation and is located near a Maharishi Vedic City in Fairfield. This state's eastern and western borders are formed entirely by rivers. One of the first settlements in this state was founded by fur trader Julien (*) Dubuque near some lead mines. This state's Madison County is famous for its many covered bridges. A baseball diamond in this state was built for the movie Field of Dreams. For 10 points, name this heavy producer of corn, a midwestern U.S. state where the first presidential caucuses are held in cities like Ames and Des Moines.
This state's northeastern city of Decorah is home to an impact crater where a five-foot-long sea scorpion fossil was discovered in September 2015.
Iowa