Variations in the chemical character of coal no. 6 in Franklin-Williamson district, Illinois
Call Number:
MS Benson, E.T. #1
Date:
1933
Description:
23 p., 5 figs.
Keywords:
Herrin (No. 6) Coal--Illinois--Franklin County
Herrin (No. 6) Coal--Illinois--Williamson County
Added Entries:
Cady, G.H.
Illinois State Geological Survey Report of Investigations 35
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