Ridge, John Drew, 1909-  Ridge, John Drew, 1909- <br/><br/>
Annotated bibliographies of mineral deposits in the Western Hemisphere / 
[by] John D. Ridge. 
 - [Boulder, CO] :  Geological Society of America,  1972. 
 - Geological Society of America. Memoir ;  131 .
 - Memoir (Geological Society of America) ;  131. .
<br/><br/><label>ISBN: </label>0813711312 
<br/><br/><label>LCCN: </label>72178773 //r893 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ore deposits -- America -- Bibliography.--Ore deposits -- America -- Bibliography.--Ore deposits -- America -- Bibliography.
<br/><br/><label>LC Class. No.: </label>Z6738.O75  TN21  / R5 
<br/><br/><label>Dewey Class. No.: </label>016.553/09181/2