Jacobs, David. <br/><br/>
Bridges, canals & tunnels / 
by David Jacobs and Anthony E. Neville. Consultant: Robert M. Vogel. 
 - New York :  American Heritage Pub. Co.,  1968. 
 - 159 p. :  ill. (part col.) 
 - The Smithsonian library .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil engineering--History.--United States