Mine-rescue work in Canada, 
by W. J. Dick. 
 - Ottawa,  Commission of conservation,  1912. 
 - vii, 50 p.  plates, plans (part fold.) diagr.  25 cm. 
<br/><br/> At head of title: Commission of conservation, Canada.  On cover: Commission of conservation Canada. Committee on minerals. 
<br/><br/><label>LCCN: </label>gs 13000255  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mine rescue work.
<br/><br/><label>LC Class. No.: </label>TN287.C2  / A5