
    (No. 5929
    McHenry Sand and Gravel Company, Inc., Claimant, vs. State of Illinois, Division of Highways, Respondent.
    
      
      Opinion filed August 30, 1971.
    
    William M. Carroll, Jr., Attorney for Claimant.
    William J. Scott, Attorney General; Saul R. Wexler, Assistant Attorney General, for Respondent.
   Perlin, C.J.  