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

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