Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Millions of Bushels, Not Seasonally Adjusted

Frequency:  Annual

Series Is Presented Here As Four Variables--(1)--Original Data, 1878-1898 (2)--Original Data, 1893-1917 (3)--Original Data, 1911-1934 (4)--Original Data, 1929-1938. Data Converted By NBER, To Bushels From Metric Tons. One Metric Ton=36.743 American Bushels Of 60 Lbs. Data Represent Estimates From Yields Reported By Federal Crop Reporters. Source: Data For 1893-1910: Statistiches Jahrbuch. Data For 1911-1918: Vierteljahrshefte Zur Statistik, 1926, I, P. 51.

This NBER data series a01016a appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.

NBER Indicator: a01016a