Pearl, Richard Maxwell  1913, <br/><br/>
Geology. 

 - 3 
 - 262 páginas 
 - College outline series ;  13 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología--Sinopsis, etc.
<br/><br/><label>LC Class. No.: </label>QE41  / P41966