Geomorphology and Quaternary geology of the Glaciated Ohio River valley : a reconnaissance study : a study of the geomorphic development and drainage modifications resulting from the Quaternary glaciations of the Ohio River valley, from above Cincinnati, Ohio, to Louisville, Ky.
Geomorphology and Quaternary geology of the Glaciated Ohio River valley : a reconnaissance study : a study of the geomorphic development and drainage modifications resulting from the Quaternary glaciations of the Ohio River valley, from above Cincinnati, Ohio, to Louisville, Ky. / by Louis L. Ray
Series Titles:
Geological Survey professional paper ; 826 Geological Survey professional paper ; 826.