Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Dollars per Short Ton, Not Seasonally Adjusted

Frequency:  Monthly

Series Is Presented Here As Two Variables--(1)-- Original Data, 1913-1922 (2)--Original Data, 1921-1939. Prices Are For United States, Average, All Grades. Ratio Of 1921 For Overlap: 7.72 Divided By 8.84 Equals 87.3%. Source: Sent Directly From Bls

This NBER data series m04144a appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.

NBER Indicator: m04144a