Spurr, Josiah Edward  1870, <br/><br/>
The ore wagmas :  A series of essays on ore deposition / 
By josiah Edward spurr. 
 - 2 volúmenes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Yacimientos minerales
<br/><br/><label>LC Class. No.: </label>TN263  / S6