Johnson, Paul Willard <br/><br/>
Field guide to the gems and minerals of Mexico  : exclusive of Baja California 
/ Paul Willard Johnson 
 - Mentone, California  : Gembooks  , c1965. 
 - 96 p.  : ill., maps. 
<br/><br/> A guide to the most productive and interesting mineral and gem collecting localities, with a Spanish-English, English-Spanish glossary of gem, mineral and mining terms. 
<br/><br/><label>ISBN: </label>9-10652-01-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minerology---Mexico<br/>Gems---Mexico
<br/><br/><label>Dewey Class. No.: </label>LAS 549.972 JOH