Contributions to the Stratigraphy of the Allegheny Series in Columbiana and Mahoning Counties, Ohio. Part II, The Stratigraphy of the Middle Kittanning Coal Between Greedford and Washingtonville, Oh
Creators:Sturgeon, Myron T.
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Citation:The Ohio Journal of Science. v44 n1 (January, 1944), 1-10
Author Institution: Michigan State Normal College, Ypsilanti, Michigan