Wynard, John <br/><br/>
Dams and canals / 
by John Wynyard ; illustrated by Marshall Pearson 
 - Exeter :  Wheaton,  1964 
 - v, 125 p. :  ill. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dams--Juvenile literature<br/>Canals--Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>624