Whipple, Gertrude,  1895- [from old catalog] <br/><br/>
Our changing earth / 
Gertrude whipple and  Preston E. James 
 - New York :  Macmillan,  c1954. 
 - x, 318 p. :  ill. ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography--Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>910  / WHO 1954