Earth: the restless planet.  [motion picture] 

 -  National Geographic Society,  1973. 
 - 25 min.  sd.,color.  16 mm. 
<br/><br/> Also issued as videocassette.  Edited from the motion picture entitled The violent earth.  With teacher's guide and collateral materials. 
<br/><br/> Examines the characteristics of three different volcanoes--Hawaii's Kilauea, Mt. Etna in Sicily, and Nyiragongo in Zaire. 
<br/><br/><label>LCCN: </label>72702938 /F 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Kilauea Volcano (Hawaii)<br/>Etna, Mount (Italy)<br/>Nyiragongo (Congo)