Author:

Peppers,R.A.

Year:

1970

Title:

Correlation and palynology of coals in the Carbondale and Spoon Formations (Pennsylvanian) of the northeastern part of the Illinois Basin.

Reference:

Peppers,R.A. (1970) Correlation and palynology of coals in the Carbondale and Spoon Formations (Pennsylvanian) of the northeastern part of the Illinois Basin. Illinois State Geological Survey, Bulletin # 93 P. 1- 173

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