Release: NBER Macrohistory Database
Series Is Presented Here As Two Variables--(1)--Original Data, 1919-1946 (2)--Original Data, 1933-1955 Figures Represent The Output Of Primary Refineries Including From Duty-Free Imported Raw Material Through 1946; Beginning In 1947, From All Imported Raw Material. The Tariff On Copper Was Suspended During 1947 (See Survey Of Current Business, 1955 Supplement, Footnote 7 To P. 159). This Series Is Believed To Be Comparable To Series 01177 (Refined Copper Shipments). Source: American Bureau Of Metal Statistics Yearbook, 1947 And Following Issues; Metal Statistics, 1941 And Following Issues.
This NBER data series m01247b appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.
NBER Indicator: m01247b
National Bureau of Economic Research, Refined Copper Production, United States Refineries for United States [M0147BUSM601NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M0147BUSM601NNBR, June 24, 2018.