
    (No. 6123
    Kaiser Agricultural Chemicals, A Division of Kaiser Aluminum and Chemical Sales, Inc., Claimant, vs. State of Illinois, Division of Highways, Respondent.
    
      Opinion filed August 30, 1971.
    
    Kaiser Agricultural Chemicals, Claimant, pro se.
    William J. Scott, Attorney General; William E. Webber, Assistant Attorney General, for Respondent.
   Perlin, C.J.  