Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Thousands of Metric Tons, Not Seasonally Adjusted

Frequency:  Annual

Series Is Presented Here As 2 Variables: (1) Annual Data, Iron And Steel Rails, 1874-1903; (2) Annual Data, Steel Rails Only, 1919-1933. See V648 Source: See V648

This NBER data series a02086fa appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.

NBER Indicator: a02086fa