Chowdhury, Mohammed Lutfor Rahman. <br/><br/>
An approach to the studies on industries based on the clay minerals-coal mines and general geology of Colorado, Utah, Wyoming, Georgia and Virginia-U.S.A. / 
Mohammed Lutfor Rahman Chowdhury ; Md. Azizur Rahman. 
 - Dhaka :  Md. Azizur Rahman,  2001. 
 - vii, 68 p. :  ill. ;  28 cm. 
<br/><br/>337  337 
<br/><br/><label>ISBN: </label>984-31-1427-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences--North America.
<br/><br/><label>Dewey Class. No.: </label>557.3 / C459d