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Technologic Trends in the Minerals Industry, 1971.
NTIS: PB 223 746 :61 pages
This report, the second in an annual series, summarizes information on latest technological developments and advances, and identifies trends in mining and metallurgy based on a review of activities in the minerals industry in 1971. Exploration and mining data obtained from an annual canvass are presented for 1971 and are compared with similar data obtained over the past decade.
IH; Information Circular;
NTIS Accession No.
NTIS: PB 223 746
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division