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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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401. Zinc in 1974.

402. Bismuth in 1974.

403. Iron and steel scrap in 1974.

404. Platinum-group metals in 1974.

406. Selenium and tellurium in 1974.

407. Titanium in 1974.

408. Abrasives materials in 1974.

409. Asbestos in 1974.

410. Barite in 1974.