145 



S 



14. QS: 



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c. 



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STATE OF ILLINOIS 



DEPARTMENT OF REGISTRATION AND EDUCATION 



Palynology and Petrography 

 of a Middle Devonian Coal 



in Illinois 



R. A. Peppers 

 H. H. Damberger 



CIRCULAR 445 



1969 



ILLINOIS STATE GEOLOGICAL SURVEY 

 URBANA, ILLINOIS 61801 

 John C. Frye, Chief 



