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Start Over You searched for: Author Mines Bureau Remove constraint Author: Mines Bureau Publish Year Decade 1970 - 1979 Remove constraint Publish Year Decade: 1970 - 1979

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91. Bromine in 1974.

92. Boron in 1974.

93. Asbestos in 1974.

98. Chromium in November, 1974.

99. Tin in November, 1974.

100. Ferroalloys in 1974.