Series Is Presented Here As Two Variables--(1)--Original Data, 1929-1945 (2)--Original Data, 1945-1955 Data Represent Production From Domestic And Foreign Ore Including Some Secondary Material Passing Through Primary Smelters. Source: American Bureau Of Metal Statistics Yearbook, 1947 And Following Issues; Survey Of Current Business, Monthly Issues Through September 1955, And Statistical Supplements Beginning With 1949 Issue.
This NBER data series m01245b appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.
NBER Indicator: m01245b
Release: NBER Macrohistory Database
National Bureau of Economic Research, Refined Lead Production, Total Primary for United States [M0145BUSM601NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0145BUSM601NNBR/, September 3, 2015.