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Start Over You searched for: Catalog Issue Year Decade 1960 - 1969 Remove constraint Catalog Issue Year Decade: 1960 - 1969 Sudoc Stem I 28.37/a Remove constraint Sudoc Stem: I 28.37/a

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62. Ferroalloys; by John W. Thatcher.

63. Iron ore; by F. E. Brantley.

66. Salt; by William H. Kerns.

67. Asbestos; by Timothy C.

68. Vermiculite; by Timothy C.

70. Aluminum; by John W. Stamper.