Hills, Theo L <br/><br/>
The St. Lawrence Seaway 
Theo L. Hills. 
 - New York  Praeger  [1959] 
 - 157 p.  illus. 
 - Books that matter .
<br/><br/><label>Subjects--Corporate Names: </label><br/>St. Lawrence Seaway
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Saint Lawrence River.--Power utilization.
<br/><br/><label>Dewey Class. No.: </label>386.2  / H655