Johnston, William, Alfred,  1874- <br/><br/>
The Trent Valley outlet of Lake Algonquin and the deformation of the Algonquin waterplane in Lake Simcoe district, Ontario. 
By W. A. Johnston. 
 - Ottawa,  Government printing bureau,  1916. 
 - 1 p. l., 27 p. incl. III pl.  fold. map. 
 - Canada. Geological Survey. Museum bulletin  no. 23. Geological series, no. 32 .
 - National Museum of Canada.  Bulletin ;  no. 23. National Museum of Canada.  Geological series ;  no. 32. .
<br/><br/> Cover-title.  At head of title: Canada. Department of mines. 
<br/><br/><label>LCCN: </label>gs 16000637  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Ontario--Ottawa.
<br/><br/><label>LC Class. No.: </label>QH1  / .C13 no. 23