Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Millions of Long Tons, Not Seasonally Adjusted

Frequency:  Monthly, End of Month

Series Is Presented Here As Two Variables--(1)--Original Data, 1911-1946 (2)--Original Data, 1943-1955. Data Include The Byproduct Of Ore Obtained From Treating Pyrites. Such Byproduct Materials Were Not Included In Other Variables In This Series With Only Annual Data. Source: U.S. Department Of Commerce, Survey Of Current Business, Statistical Supplements, 1947-1955

This NBER data series m05086 appears on the NBER website in Chapter 5 at http://www.nber.org/databases/macrohistory/contents/chapter05.html.

NBER Indicator: m05086