Steam Locomotives Available, Tractive Power for United States (A0156BUSA149NNBR)

Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Millions of Pounds, Not Seasonally Adjusted

Frequency:  Annual

Series Is Presented Here As Two Variables--(1)--Original Data, 1902-1916 (2)--Original Data, 1916-1945. Data Are For Class I Railroads. Tractive Power For Unclassified Railroads Not Included. Figures Exclude Switching And Terminal Companies. Data Are For Years Ending December 31. Source: Interstate Commerce Commission, Annual Reports Of Statistics Of Railways In The United States.

This NBER data series a01156b appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.

NBER Indicator: a01156b