Record

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Archive Reference / Library Class No.	NCB/A/BUT/13/10/14
Former Reference	N5/199/2
Title	Butterley Company file of coal analysis reports for assorted collieries
Date	Jan 1935-Apr 1943
Description	Including Denby Hall Colliery, Marehay Piper Seam, Britain Colliery, Ripley Colliery, New Langley Colliery, Ormonde Colliery, Lowmoor Colliery, Kirkby Colliery and Ollerton Colliery, with certificates of analysis from the company's laboratories at Kirkby (Lowmoor Laboratory) and Langley Offices, and report on the Upper Hartshay Pit Mickley Seam, prepared by the Coal Survey Laboratory, Nottingham, Feb 1932
Extent	1 file
Level	File
Repository	Derbyshire Record Office
Archive Creator	Butterley Company
Archive Creator	National Coal Board