Johnson, Ryerson  1901- <br/><br/>
Monsters that move earth / 
Written by Ryerson Johnson. Illustrated by Willi Baum 
 - First published in Australia in 1976 
 - Massauchusetts :   Ginn and Company ,   1974 
 - 16 unnumbered pages :   color illustrations ;  19 cm .  
<br/><br/>H <br/> 
<br/><br/> Introduces bulldozers, power shovels, ditch diggers, and other massive earthmoving machines. 
<br/><br/> 430 <br/>  Lexile estimate <br/>  H <br/>  Raz-Plus <br/> 
<br/><br/><label>ISBN: </label>0701522054 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earthmoving machinery--Juvenile literature<br/>Earthmoving machinery
<br/><br/><label>LC Class. No.: </label>PZ10.J573 
<br/><br/><label>Dewey Class. No.: </label>624.152