Release: NBER Macrohistory Database
Series Is Presented Here As Four Variables--(1)--Original Data, 1909-1914 (2)--Original Data, 1919-1938 (3)--Original, 1937-1946 (4)--Original, 1933-1957. Only December Figures Are Available For 1937 And 1938. Thereafter, The Data Represent Only U.S. Stocks Of Output By Primary Refineries From Domestic And Foreign Material Including Secondary Refined By Primary Refiners. Coverage Ends On A Monthly Basis After 1946; Stocks As Of The End Of December Were Published Annually Thereafter. Source: The American Bureau Of Metal Statistics Yearbook; "Metal Statistics, " Annual Publication Of The American Metal Market; Survey Of Current Business, U.S. Department Of Commerce, Annual Supplements And Monthly Issues
This NBER data series m05020c appears on the NBER website in Chapter 5 at http://www.nber.org/databases/macrohistory/contents/chapter05.html.
NBER Indicator: m05020c
National Bureau of Economic Research, Refined Copper Stocks, End of the Month for United States [M0520CUSM601NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M0520CUSM601NNBR, October 21, 2017.