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Jan 1, 1908

Jan 1, 1935

The Mines Handbook, Published by Mines Information Bureau, Inc., Suffern, N Y. It is felt that the Mines Information Bureau should be included in this directory, as publishers of a valuable reference book of mining companies of the United States and Canada, known as the "Mmes Handbook "

Jan 1, 1933

The Canadian Mining Institute has accepted the proffered arrangement as to price of the Bulletin to members and will furnish its Bulletin to members of the A. I. M. E. at $1 per year.

Jan 5, 1919

Jan 1, 1888

Jan 1, 1910

Jan 1, 1902

Jan 1, 1916

New Products Equipment

Jan 7, 1953

Jan 1, 1932

By H. A. Gardner, G. B. Heckel

The principal use of barium sulphate is as an inert paint pigment.

Jan 1, 1915

Jan 1, 1947

Jan 1, 1902

Jan 1, 1947

Jan 1, 1943

New Products Equipment

Jan 5, 1953

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Jan 1, 1938