The Data Cover Frozen Pork, Dry Salt Pork, Placed In Cure, And Pickled Pork Placed In Cure (The Latter Includes Sweet-Pickled, Plain Brine, And Barreled Pork). These Data Were Computed By NBER By Summing Three Separately Given Series. Source: U.S. Department Of Agriculture, Data For 1919-1935: Statistical Bulletin, No. 48, Pp. 22-24. Data For 1934-1936: Crops And Markets.
This NBER data series m01249 appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.
NBER Indicator: m01249
Release: NBER Macrohistory Database
National Bureau of Economic Research, Pork Frozen Or Placed In Cure In Meat Packing Establishments for United States [M01249USM149NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M01249USM149NNBR/, July 6, 2015.