Data Include Ireland. Data For 1893 Were Affected By Various Labor Disputes Beginning On July 8 And Ending December 9. Data For 1912 Were Affected By Stike Lasting From February 26 To April 15. Source: Data For 1854-1872: Coal And Iron Industries Of The United Kingdom, P. 296. Data For 1873-1921: Annual Reports Of The Secretary Of Mines.
This NBER data series a01211 appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.
NBER Indicator: a01211
Release: NBER Macrohistory Database
National Bureau of Economic Research, Coal Production for United Kingdom [A01211GBA418NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A01211GBA418NNBR/, July 28, 2015.