Data Are For "Production In Husk". Source: U.S. Department Of Agriculture, "Agricultural Statistics", 1942, 1950, 1951.
This NBER data series a01291 appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.
NBER Indicator: a01291
Release: NBER Macrohistory Database
National Bureau of Economic Research, Sweet Corn Crop For Processing for United States [A01291USA601NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A01291USA601NNBR/, October 9, 2015.