Visocky, Adrian P. <br/><br/>
Geology, hydrology and water quality of the cambrian and ordovician systems in Northern Illinois 

 - Champaign, Ill :  Department of Energy and Natural Resources,  1985 
 - 136 p.  : ilus 
 - Cooperative Groundwater Report  ; 10 .
 - Cooperative Groundwater Report  ; 10 .
<br/><br/><label>LCCN: </label>3999 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agua--Abastecimiento--Illinois.<br/>Agua--Calidad.<br/>Geología.<br/>Geología--Illinois.<br/>Hidrología.
<br/><br/><label>Dewey Class. No.: </label>550  / V5