Lead-zinc: Hearings Before the Subcommittee on Mines and Mining of the Committee on Interior and Insular Affairs, House of Representatives, Eighty-sixth Congress, First Session, on Conditions in the Domestic Lead-zinc Mining Industries. June 13 and 14, July 8, 1963

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Committee Serial No. 8. Considers measures to assist the lead-zinc mining industry hurt by competition from cheaper imported ores. Classified material has been deleted.

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