Generalized section of coal bearing rocks of Ohio /
by Wilber Stout.
- Columbus, Ohio : Geological Survey of Ohio, 1939.
- 1 leaf ; 23 x 72 folded to 23 x 18 cm.
- Information circular ; no. 2 .
- Information circular (Geological Survey of Ohio) ; no. 2. .
Title from cover.
gs 40000118
Rocks--Ohio. Coal--Ohio. Coal mines and mining--Ohio.