Watson, Janet <br/><br/>
Rocks and Minerals  

 - 2nd 
 - London :   George Allen and Unwin,   c1979 
 - 72 p.  : ill 
 - Introducing Geology Series ; No. 4 .
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogy<br/>Rocks
<br/><br/><label>Dewey Class. No.: </label>553  / WAT