McGann, Paul W. <br/><br/>
Minerals yearbook 1951  Paul W. McGann. 

 - Washington  Govt Printing Office  1954 
 - x, 1694p. 
<br/><br/> Prepared by the staff of the Bureau of mines seal of department of the interiro. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minerals - periodicals Mineralogy.
<br/><br/><label>Dewey Class. No.: </label>549.02  / M15M