Mitchell, James R. <br/><br/>
Gem trails of California / 
by James R. Mitchell. 
 - 3rd ed. 
 - Pico Rivera, CA. :  Gem Guides Book Co.,  1986. 
 - 159 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>0935182225 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precious stones--Collection and preservation--California.<br/>Minerals--Collection and preservation--California.
<br/><br/><label>LC Class. No.: </label>QE392.5.U5  / M58 1986