NCB/A/BUT/4/2/6
Printed price lists for Butterley Company collieries
May 1899-Jul 1902
Butterley Company
Derbyshire Record Office
NCB/A/BUT/4/2/8
File of papers on wage rates at the Butterley Company's Portland Collieries
1902-1908
NCB/A/BUT/4/2/13
Price list for collieries owned by the Butterley Company Ltd
Jan 1923-Jul 1942
NCB/A/BUT/5/7/2
Papers for annual report from Butterley Company colliery districts
Oct 1906
NCB/A/BUT/6/4/2
Butterley Company correspondence file on mine shafts for Portland Colliery, with plans
Jul 1913-Jul 1918
National Coal Board