Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Thousands of Short Tons, Not Seasonally Adjusted

Frequency:  Monthly

Notes:

Switching And Terminal Companies Are Excluded From 1920-1936 Data; Included From 1937-1943. Data Through 1935 Cover Only Coal And Coal Equivalent Of Fuel Oil Consumed By Steam Locomotives. In 1934 Somewhat Over Seventeen Percent Of The Train-Miles And Nine Percent Of The Car-Miles Were Accounted For By Other Types Of Motive Power. The Latter May Have Increased Considerably In Importance Between 1920 And 1934. Beginning In 1935, Data Include Allowance For Coal Equivalent Of All Other Fuels And Of Electric Power. Source: Interstate Commerce Commission, Data For 1920-1935: "Freight And Passenger Service Operating Statistics Of Class I Steam Railways In The United States". Data For 1936-1943: "Fuel And Power For Locomotives Rail Motor Carriers Of Class I Steam Railways In The United States".

This NBER data series m03053 appears on the NBER website in Chapter 3 at http://www.nber.org/databases/macrohistory/contents/chapter03.html.

NBER Indicator: m03053