Annual reports, Transvaal and OFS Chamber of Mines reports of the Executive Committee, Gold Producers' Committee, and Collieries Committee

<p dir="ltr">Pad 3:</p><p dir="ltr">Annual reports, Transvaal and OFS Chamber of Mines reports of the Executive Committee, Gold Producers' Committee, and Collieries Committee</p><p>22-04-1958 - 23-12-1968</p>