Hill, Lee Sullivan,  1958-, <br/><br/>
Tunnels go underground /Lee Sullivan Hill. 

 - Minneapolis, Minnesota  :  Carolrhoda Books,  (c)2001. 
 - 32 pages :  color illustrations ;  21 cm. 
 - A building block book .
<br/><br/> Describes different kinds of tunnels, how they are built, and what they are used for. 
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<br/><br/><label>LCCN: </label>99033045 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tunnels--Juvenile literature.<br/>Tunneling--Juvenile literature.
<br/><br/><label>LC Class. No.: </label>TA807  / .T866 2001 TA807