"Dhiman, Ram Dass" <br/><br/>
State quarrying in Himachal Pradesh : an ecological perspective 

 - Mussoorie  LBSNAA  0 
 - 56p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>ASN 333.7