Preliminary investigation into possibilities for producing silica sand from British Columbia sand deposits, 
by J.M. Cummings ... 
 - Victoria, B.C.,  C.F. Banfield, printer to the King,  1941. 
 - 3 p. l., 50 numb. l., 3 l.  fold, map.  27 x 21 cm. 
<br/><br/> Cover-title.  At head of title: British Columbia. Dept. of Mines. Hon. W.J. Asselstine, minister. John F. Walker, deputy minister.  Reproduced from type-written copy. 
<br/><br/>"References": 3 leaves at end. 
<br/><br/><label>LCCN: </label>gs 42000040  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sand.<br/>Mines and mineral resources--British Columbia.
<br/><br/><label>LC Class. No.: </label>TN939  / .C8 
<br/><br/><label>Dewey Class. No.: </label>666