Wilson, Alfred William Gunning,  1873- <br/><br/>
Pyrites in Canada,  its occurrence, exploitation, dressing, and uses. 

 - Ottawa,  Govt. Print. Bureau,  1912. 
 - xi, 202 p.  illus., fold. map, diagrs.  25 cm. 
<br/><br/> At head of title: Canada. Dept. of Mines. Mines Branch. 
<br/><br/><label>LCCN: </label>gs 13000335  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pyrites.
<br/><br/><label>LC Class. No.: </label>TN948.P8  / W5