Stratigraphic relation as criterion for classification of Pennsylvanian system in Illinois

Call Number: 
MS Cady, G.H. #18
Author: 
Cady, Gilbert Haven,
Date: 
1928
Description: 
89 p., 2 plates.
Notes: 

Details of Pennsylvanian stratigraphy and suggested further study;
Cited in Circular 220, "Unpublished Reports on Open File";

Keywords: 

Pennsylvanian System
Geology, Stratigraphic--Pennsylvanian

 

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