Brad Cross, P.E., S.E., Ph.D. 
    Associate Professor of 
    Civil Engineering  

    Department of Civil Engineering 
    0327 Science Building 
    Southern Illinois University at Edwardsville  
    Edwardsville, Illinois 62026-1800 
    tel: 618-650-2648 
    fax: 618-650-2555 
    e-mail: bcross@siue.edu