Zubovic, Peter  1915- <br/><br/>
Distribution of minor elements in coal beds of the eastern interior region / 
by Peter Zubovic, Taisia Stadnichenko and Nola B. Sheffey. 
 - Washington:   United States Government Printing Office,   1964.  
 - iv, B41 p. :  maps, tables ;  23 cm.  +1 diagr. 
 -  1117 Minor Elements in American CoalsChapter B .
<br/><br/> Conduct diagr.: vertical distribution of 15 minor elements in selected coal beds of the eastern interior coal region. 
<br/><br/>Includes bibliographical references (p. B40-B41). 
<br/><br/> A study of 15 minor elements in coal beds of Illinois, Indiana, and western Kentucky. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--United States<br/>Geological survey--United States
<br/><br/><label>Dewey Class. No.: </label>551