Cady, Gilbert H.  1882- <br/><br/>
A program of activities and research in coal geology / 
by Gilbert H. Cady. 
 - Columbus :  State of Ohio, Dept. of Natural Resources, Division of Geological Survey,  1952. 
 - 55 p. :  ill., map ;  23 cm. 
 - Information circular ;  no. 10 .
 - Information circular (Ohio. Division of Geological Survey) ;  no. 10. .
<br/><br/>Includes bibliographical references (p. 55). 
<br/><br/><label>LCCN: </label>gs 53000074  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal--Ohio.<br/>Coal mines and mining--Ohio.
<br/><br/><label>LC Class. No.: </label>QE151  / .A183 no. 10 
<br/><br/><label>Gov. Doc. Class. No.: </label>ONR 84.10:10