Smyth, Pauline. <br/><br/>
The geology along Route 40 in Ohio / 
by Pauline Smyth. 
 - Columbus :  State of Ohio, Division of Geological Survey,  1955. 
 - vi, 65 p. :  ill., col. maps ;  25 cm. 
 - Information circular ;  no. 16 .
 - Information circular (Ohio. Division of Geological Survey) ;  no. 16. .
<br/><br/>Includes bibliographical references (p. 62). 
<br/><br/><label>LCCN: </label>gs 55000269  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Ohio.<br/>Physical geography--Ohio.
<br/><br/><label>LC Class. No.: </label>QE151  / .A183 no. 16 
<br/><br/><label>Gov. Doc. Class. No.: </label>ONR 84.10:16