Ladoo, Raymond B.  1893- <br/><br/>
Nonmetallic minerals / 
by Raymond B. Ladoo and W.M. Myers. 
 - Second edition. 
 - xiii, 605 pages :  diagrams ;  24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nonmetallic minerals
<br/><br/><label>LC Class. No.: </label>TN799.5  / .L33 1951