A study of the working holdings of the chief gold producer of the barberton district, Eastern Transvaal

Hearn, Michael George2015-06-042015-06-042015-06-04http://hdl.handle.net/10539/17949A Thesis presented for the Degree of Doctor of Science in the University of the Witwatersrand, Johannesburg, by Michael George Hearn, Auguit, 1943.enA study of the working holdings of the chief gold producer of the barberton district, Eastern TransvaalThesis