Mayer, Harold Melvin,    1916- <br/><br/>
The port of Chicago and the St. Lawrence saeway /    
Harold Melvin M ayer. 
 - Chicago  :   University of Chicago,   1957. 
 - xvii, 283 p. :    ill., maps ;    23 cm. 
 - University of Chicago. Dept. of Geography. Research paper;   no. 49 . .
<br/><br/>Includes bibliographical references ( p. 273-283.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shipping--------
<br/><br/><label>Subjects--Geographic Terms: </label><br/> St. Lawrence River.