United States. Congress. Senate. Committee on Mines and Mining & ProQuest (Firm). (1869). Petition of citizens of the United States, praying the appointment of a commissioner to investigate the methods now used in Europe for the extraction of the precious metals from their ores. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Mines and Mining and ProQuest (Firm). Petition of Citizens of the United States, Praying the Appointment of a Commissioner to Investigate the Methods Now Used in Europe for the Extraction of the Precious Metals from Their Ores. Washington: [publisher not identified], 1869.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Mines and Mining and ProQuest (Firm). Petition of Citizens of the United States, Praying the Appointment of a Commissioner to Investigate the Methods Now Used in Europe for the Extraction of the Precious Metals from Their Ores. [publisher not identified], 1869.