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Start Over You searched for: Author Mines Bureau Remove constraint Author: Mines Bureau Publish Year Decade 1960 - 1969 Remove constraint Publish Year Decade: 1960 - 1969

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193. Cadmium; [by Harold J. Schroeder].

195. Carbon black; [by W. B. Harper].

196. Cement; [by Paul L. Allsman].

197. Chromium; [by John L. Morning].

198. Clays; [by James D. Cooper].