Report on the tungsten ores of Canada, 
by T. L. Walker. 
 - Ottawa,  Printed by C. H. Parmelee,  1909. 
 - iv, 56 p.  illus., 5 pl., 5 maps.  25 cm. 
<br/><br/> "No. 25." 
<br/><br/>"Bibliography of Canadian tungsten literature": p. 48-50. "Brief list of important literature on American tungsten occurrences--United States": p. 50. 
<br/><br/><label>LCCN: </label>gs 09000263  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tungsten ores--Canada.
<br/><br/><label>LC Class. No.: </label>TN490.T9  / C2