Colonial Geology And Mineral Resources : Quarterly Of Colonial Geological Surveys Ed E.H. Beard 

 - London  Her Majesty's Stationary Office  1952 
 - iv, 428p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gm31:N49
<br/><br/><label>Dewey Class. No.: </label>Gm31:N49  / Io.4