Document n9ZjwVzBkw01VBxbgoGXO1DkR

lM<v:.j );>> /-.'.'.ii-.* A 'f r n + i J itte r UNDER SECRETARY FOR MINES. Adverting to your minute of the 2nd March addressed to your Hon. Minister, will you please advise the present position in regard to dust hazard at Wittenoom I Gorge and ventilation conditions at the Mill. I i $ VLD/MMF 5th July, 1950 COMMISSIONER OF PUBLIC HEALT, _______________________________