Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Thousands of Long Tons, Not Seasonally Adjusted

Frequency:  Monthly

Series Is Presented Here As Two Variables--(1)--Original Data, 1879-1922 (2)--Original Data, 1911-1958. This Series Has Been Checked With Similar Data In The Coal Trade Journal And The Monthly Summary Of Commerce And Finance And Mineral Resources. Cases In Disagreement Have Been Settled In Accordance With The Summation Of The Constituent Parts. Data For 1904-1908 Are Unavailable Because Of A Coal Strike. Source: F. E. Saward, Data For 1879-1921: The Coal Trade, Successive Annual Numbers, 1883-1921; Data For 1921-1922: Saward'S Annual, 1924, P. 101.

This NBER data series m01117a appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.

NBER Indicator: m01117a