Harkin, D. A. <br/><br/>
The geology of the Songwe-Kiwira coalfield, Rungwe district 

 - Dar es Salaam  Government Printer  1955 
 - vii,33p.  25cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tanzania
<br/><br/><label>LC Class. No.: </label>PAM QE327.T3A32 No.27