An introduction to the study of rocks and guide to the museum collection. 
By L. Fletcher. 
 - 4th ed. 
 - London,  Printed by order of the Trustees,  1909. 
 - 2 p. l, [vii]-viii, 155, [1] p.  incl. plan.  21 cm. 
<br/><br/><label>LCCN: </label>agr09002061  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petrology.
<br/><br/><label>LC Class. No.: </label>QE431  / .B86 1909