Bradbury J C <br/><br/>
Crevice lead-zinc deposits of north western Illinois 

 -  1959 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>46000 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mineralogy<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H1.73r, J9