Ellsworth, Hardy Vincent,  1889- <br/><br/>
Rare-element minerals of Canada, 
by H. V. Ellsworth ... 
 - Ottawa,  F. A. Acland, printer to the king,  1932. 
 - v, 272 p. incl. maps, tables, diagrs.  25 cm. 
 - Canada. Geological survey. Economic geology ser.  no. 11 .
<br/><br/> At head of title: Canada. Department of mines. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>gs 33000023  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--Canada.
<br/><br/><label>LC Class. No.: </label>QE185  / .A4 no. 11