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Start Over You searched for: Author Interior Dept. Remove constraint Author: Interior Dept. Publish Year Decade 1970 - 1979 Remove constraint Publish Year Decade: 1970 - 1979

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6171. Titanium; [by John W. Cole].

6173. U.S. Geological Survey.

6174. Uranium; [by John G. Parker].

6176. Vanadium; [by Gilbert L. DeHuff].

6177. Vermiculite; [by William N. Hale].