Publication Information

Technical Papers (coal resources)
1984-02-01 
TP-6 
An introduction to the stratigraphic palynology of the Cherokee Group coals of Iowa, R. L. Ravn, 1979, 117 p., 9 figs., 22 pl., 2 appendices. 
Pennsylvanian 
 
$6.00 
$1.50 

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