Willemse, J. <br/><br/>
Lead deposits in the Union of South Africa and South West Africa with some notes on associated ores / 
by J. Willemse ... [et al.]. 
 - Pretoria :  Govt. Printer,  1944. 
 - 186 p., [18] leaves of plates (some fold.) :  maps, plans, tables, diagrs. ;  24 cm. 
 - Geological Survey memoir ;  no. 39 .
 - Memoir (Geological Survey (South Africa)) ;  no. 39. .
<br/><br/> Cover-title.  At head of title: Union of South Africa, Dept. of Mines. 
<br/><br/>With: Magnesite in the Union of South Africa / by J.S. Van Zyl ... [et al.]. Pretoria : Govt. Printer,  1942.  Bound together subsequent to publication. 
<br/><br/>"Bibliography": p. 166. 
<br/><br/><label>LCCN: </label>gs 46000049  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lead ores--South Africa.<br/>Lead ores--Namibia.
<br/><br/><label>LC Class. No.: </label>QE324  / .A3 no. 39