The FRI was requested by the Manager, Natal Anthracite Colliery, to carry out washability determinations on a sample of 5 mm X 0 fines.
Reference:
Streicher, S. 1963. A report on the results obtained from washability determinations carried out on a sample of Natal anthracite duff. http://hdl.handle.net/10204/13017 .
Streicher, S. (1963). A report on the results obtained from washability determinations carried out on a sample of Natal anthracite duff Retrieved from http://hdl.handle.net/10204/13017
Streicher, SF A report on the results obtained from washability determinations carried out on a sample of Natal anthracite duff. 1963. http://hdl.handle.net/10204/13017
Streicher S. A report on the results obtained from washability determinations carried out on a sample of Natal anthracite duff. 1963 [cited yyyy month dd]. Available from: http://hdl.handle.net/10204/13017