Hyde, Margaret O.  1917-. <br/><br/>
Exploring earth and space / 
by Margaret O. Hyde. Illustrated by Elizabeth Ann Winson. 
 - 5th ed. 
 - New York :  McGraw-Hill,  [1970] 
 - 174 p. :  illus., maps. ;  21 cm. 
<br/><br/> Discusses the many new discoveries about the earth, sea, and space that resulted from scientific exploration begun during the International Geophysical Year and the years that followed. 
<br/><br/><label>LCCN: </label>74109250 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International Geophysical Year, 1957-1958--Juvenile literature.<br/>Geophysics--Juvenile literature.<br/>International Geophysical Year, 1957-1958.<br/>Geophysics.
<br/><br/><label>LC Class. No.: </label>QC801.3  / .H9 1970 
<br/><br/><label>Dewey Class. No.: </label>551