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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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181. Barite; [by Donald E. Eilertsen].

182. Bauxite; [by Robert F. Griffith].

183. Beryllium; [by Donald E. Eilertsen].

184. Bismuth; [by Donald E. Moulds].

185. Boron; [by Timothy C. May].

186. Bromine; [by Timothy C. May].