Bernhagen, Ralph J. <br/><br/>
Industrial ground-water pumpage in Ohio / 
by R.J. Bernhagen. 
 - Columbus :  Division of Water,  1949. 
 - 45 leaves, 3 plates (1 fold.) ;  28 cm. 
 - Bulletin (Ohio. Division of Water) ;  no. 11 .
<br/><br/>With: Floods in Ohio : magnitude and frequency / William P. Cross. Columbus, Ohio : Ohio Water Resources Board, 1946.  Bound together subsequent to publication. 
<br/><br/><label>LCCN: </label>gs 51000095  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater--Ohio<br/>Water-supply--Ohio
<br/><br/><label>LC Class. No.: </label>TD224.O3  / A35 no. 11