Fiscal Years Of Companies Reporting Vary. Source: Poor'S Manual Of Railroads, 1890, P. Xiii-Xiv; 1891, P. 1; 1905, P.Ii; 1910, P. Cvii-Cix; 1912, P. Cxxxiv-Cxlvii
This NBER data series a03003e appears on the NBER website in Chapter 3 at http://www.nber.org/databases/macrohistory/contents/chapter03.html.
NBER Indicator: a03003e
Release: NBER Macrohistory Database
National Bureau of Economic Research, Revenue Tons of Freight Carried One Mile, All Railroads for United States [A0303EUSA253NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A0303EUSA253NNBR/, June 3, 2015.