Swinnerton H H <br/><br/>
Solving earth's mysteries 

 -  1949 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>68022 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H, H9