Summary of ground-water conditions in Ohio /
by Donald W. Van Tuyl and Ralph J. Bernhagen ; prepared in cooperation with the U.S. Geological Survey.

APA Citation

Van Tuyl, D. W. (Donald Wells)., Bernhagen, R. J. (Ralph John)., Geological Survey (U.S.)., Ohio. Water Resources Board. (1947). Summary of ground-water conditions in Ohio. Columbus: Ohio Water Resources Board.

MLA Citation

Van Tuyl, Donald W. (Donald Wells), 1917-, Ralph J. (Ralph John) Bernhagen, Geological Survey (U.S.), and Ohio. Water Resources Board. Summary of Ground-water Conditions In Ohio. Columbus: Ohio Water Resources Board, 1947.