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

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