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Volumetric measures [ ]

Jan 1, 1962

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Jan 1, 1938

Table

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Jan 1, 1938

By Robert Glass Cleland

[Incorporated under the laws of the State of New York OFFICE, 41) WALL STREET, NEW YORK 5, N. Y. Authorized4,000,000 shares $150,000,000.00 Outstanding-5,071,260 shares 126,781,500.00]

Jan 1, 1952

Jan 1, 1905

Jan 1, 1902

The following errors were inadvertently included in "How millisecond delay periods may enhance or reduce blast vibration effects" by R.M. Wheeler in the September issue of Mining Engineering.

Jan 1, 1987

New Products Equipment

Jan 8, 1951

Jan 1, 1970