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- catalog accrualPolicy "Annual".
- catalog contributor b5643223.
- catalog date "1946".
- catalog description "No more published.".
- catalog extent "v.".
- catalog isReplacedBy "Indexes of output per man-hour for selected industries".
- catalog issued "1946".
- catalog language "eng".
- catalog publisher "Washington.".
- catalog relation "Indexes of output per man-hour for selected industries".
- catalog subject "Labor productivity.".
- catalog subject "Lead mines and mining.".
- catalog title "Productivity and unit labor cost in the lead and zinc mining industry 1946-1948".
- catalog title "Productivity in the lead and zinc mining industry.".
- catalog type "text".