Release: NBER Macrohistory Database
Figures Refer To The Primary Zinc On Hand At Primary Reduction Plants (Plants Refining Primary Ore.) Data Also Include Stocks At Secondary Distilling Plants. Source: U.S. Bureau Of Mines, Mineral Resource And Minerals Yearbook
This NBER data series a05087 appears on the NBER website in Chapter 5 at http://www.nber.org/databases/macrohistory/contents/chapter05.html.
NBER Indicator: a05087
National Bureau of Economic Research, Slab Zinc Stocks at Smelters, on December 31 for United States [A05087USA601NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/A05087USA601NNBR, October 18, 2019.