Describir: Field Rotation, Governors State University, Park forest South, 1981 :

  _____      ___      ______   _    _     _  __    _____     ____      _____   
 / ____||   / _ \\   /_   _// | || | ||  | |/ //  |  ___||  |  _ \\   |  ___|| 
/ //---`'  | / \ ||  `-| |,-  | || | ||  | ' //   | ||__    | |_| ||  | ||__   
\ \\___    | \_/ ||    | ||   | \\_/ ||  | . \\   | ||__    | .  //   | ||__   
 \_____||   \___//     |_||    \____//   |_|\_\\  |_____||  |_|\_\\   |_____|| 
  `----`    `---`      `-`'     `---`    `-` --`  `-----`   `-` --`   `-----`