Cushing, Henry Platt,  1860- <br/><br/>
Geology and mineral resources of the Cleveland district, Ohio. 

 -  U.S. Govt. Print. Off.,  1931. 
 - 138 p. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>gs 31000109  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Ohio--Cleveland.<br/>Mines and mineral resources--Ohio--Cleveland.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 818