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

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161. Tungsten; by Richard F. Stevens, jr.

162. Uranium; by Charles T. Baroch.

163. Vanadium; by Gilbert L. DeHuff.

164. Water; by William H. Kerns.

165. Zinc; by Harold J. Sehroeder.

167. phosphate rock; by Richard W. Lewis.

168. Vermiculite; by Timothy C.

170. Aluminum; by John W. Stamper.