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Trends in use and production of barite. A geological summary of deposits. Outlook is favorable for discovery of new deposits to meet rising demand.
An evaluation of the mineral potential of the area.
1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.