Complex sentence: The Haskell Medicine Wheel Earthwork is located south of the campus and was designed by Haskell professors, students, crop artist Stan Herd, and tribal elders, and dedicated in 1992 as a response to the 500th commemoration of the "Columbian Legacy".
Split into simpler sentences: The Haskell Medicine Wheel Earthwork is located south of the campus. It was designed by Haskell professors, students, crop artist Stan Herd, and tribal elders, and dedicated in 1992 as a response to the 500th commemoration of the "Columbian Legacy".