Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Thousands of Short Tons, Not Seasonally Adjusted

Frequency:  Monthly

Series Is Presented Here As Two Variables--(1)--Original Data, 1917-1941 (2)--Original Data, 1940-1955 Production From Foreign Ore Is Included, Data Represents Production Of Slab Zinc Of All Grades Including Some Secondary Produced By Primary Smelters. Beginning With 1948, Production Of Some Secondary Smelters In Included. The Output Of These Few Smelters Averaged About 1200 Short Tons Per Month In 1947. Source: Survey Of Current Business.

This NBER data series m01140ab appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.

NBER Indicator: m01140ab