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

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