Hyde, Margaret O. <br/><br/>
Exploring earth and space / 
by Margaret O. Hyde. Illustrated by Elizabeth Ann Winson. 
 - 5th ed. 
 - New York :  McGraw,  1970. 
 - 174 p. :  ill., maps. 
<br/><br/> Discusses many discoveries about the earth, sea, and space made since 1957. 
<br/><br/><label>LCCN: </label>74109250 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International Geophysical Year, 1957-1958.<br/>Geophysics.<br/>Space flight.
<br/><br/><label>Dewey Class. No.: </label>551