International Strategic Minerals Inventory summary report : manganese /

Mode of access: Internet.

The mineral industry of the British empire and foreign countries. Statistics, 1920-1922. Manganese.

Date on cover:1925.

The mineral industry of the British empire and foreign countries. Statistics ... 1919-1921. Manganese.

At head of title: Imperial mineral resources bureau.

Current developments in deep seabed mining : hearing before the Subcommittee on Minerals, Materials, and Fuels of the Committee on Interior and Insular Affairs, United States Senate, Ninety-fourth Congress, first session, on briefing by ocean mining industry, November 7, 1975

Bibliography: p. 244-245