Stout, Wilber,  1876-1961. <br/><br/>
Marl, tufa rock, travertine, and bog ore in Ohio / 
by Wilbur Stout. 
 - Columbus, Ohio :  Geological Survey of Ohio,  1940 
 - 56 p. ;  25 cm. 
 - Bulletin ;  no. 41 .
 - Bulletin (Geological Survey of Ohio) ;  no. 41. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>gs 41000027  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marl.<br/>Travertine--Ohio.<br/>Limestone.<br/>Iron ores--Ohio.
<br/><br/><label>LC Class. No.: </label>QE151  / .A18 no. 41 
<br/><br/><label>Gov. Doc. Class. No.: </label>ONR 84.3:41