Daniel Campbell Mackenzie died in 1950 at the age of 70.

He was a student at the Glasgow and West of Scotland Technical College from 1894 to 1897, and spent the following five years obtaining practical underground experience at collieries under the management of his father. In 1902 he obtained the first-class certificate of competency as colliery manager in Edinburgh, and left for Australia, where for five years he was surveyor and at times acting manager of the Oultrim, Howitt, and British Consolidated Coal Co., of Victoria. In 1907 he passed a competitive examination for the post of inspector of mines with the Government of Victoria, which he held until 1925. During this period he was assigned to the work of opening the State coal mines, from 1909 to 1911, and from 1915 to 1919 served with No.2 Australian Tunnelling Company of the Royal Engineers.

In 1925 Mr. Mackenzie resigned from the Victoria Mines Department and after spending a year as manager of collieries in Tasmania, set up in practice as a consultant in that country. In 1929 he transferred his headquarters to London, and in 1934 took the post of manager of Consolidated Gold Alluvials of British Columbia, Ltd., which he held for three years. From 1937 to 1939 he practised as a consultant in Canada, returning to England in 1940. At the time of his death he was a member of the staff of the Directorate of Opencast Coal Production at Sheffield.

Mr. Mackenzie was elected a Member of the Institution in 1932.

Vol. 60, Trans IMM 1950-51, p.256

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