Van Zyl, J. S. <br/><br/>
Magnesite in the Union of South Africa / 
by J.S. Van Zyl ... [et al.]. 
 - Pretoria :  Govt. Printer,  1942. 
 - 82 p., [10] leaves of plates (some fold.)  :  ill., tables, diagrs., maps ;  24 cm. 
 - Geological Survey memoir ;  no. 38 .
 - Memoir (Geological Survey (South Africa)) ;  no. 38. .
<br/><br/> At head of title: Union of South Africa. Dept. of Mines. 
<br/><br/>With: Lead deposits in the Union of South Africa and South West Africa with some notes on associated ores / by J. Willemse ... [et al.] -- The geology of the Messina copper mines and surrounding country / by P.G. Söhnge.  Pretoria : Govt. Printer, 1944-1946.  Bound together subsequent to publication. 
<br/><br/>Includes bibliographical references (p. 68) and index. 
<br/><br/><label>LCCN: </label>gs 48000134  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Magnesite--South Africa.
<br/><br/><label>LC Class. No.: </label>QE324  / .A3 no. 38