Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Millions of Pounds of Coal, Not Seasonally Adjusted

Frequency:  Quarterly

Notes:

Series Is Presented Here As Two Variables--(1)--Original Data, 1921-1935 (2)--Original Data, 1935-1939 Data Were Derived By Adding Freight Steam Loocomotive Miles To Departmental Miles And Multiplying The Result By Pounds Of Coal Consumed Per Engine-Mile Of Freight (Including Departmental And Shunting). Source: Computed By NBER From Ministry Of Transport Data In "Railway Statistics".

This NBER data series q03082a appears on the NBER website in Chapter 3 at http://www.nber.org/databases/macrohistory/contents/chapter03.html.

NBER Indicator: q03082a