Report of Investigation illinois State Water Survey <br/><br/>
Report of Investigation illinois State Water Survey. No 66-68(1971) 

 - Urbana  Report of Investigation illinois State Water Survey  1971 
 - 458p 
<br/><br/>Report of Investigation illinois State Water Survey: Report of Investigation illinois State Water Survey. No 66-68(1971).  Urbana.  Report of Investigation illinois State Water Survey, 1971.--(627.5205REP)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>627.5205  / RI