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

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