Pettijohn, F. J. <br/><br/>
Sand and sandstone   [Book] 
F. J. Pettijohn. 
 - 2nd Ed. 
 -  National Book Foundation Islamabad 
<br/><br/> All. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sand
<br/><br/><label>Dewey Class. No.: </label>552.5