One col. sheet and 5 folded plans in pocket inside back cover.
Extensive fall of roof at Bilsthorpe Colliery : a report of HSE's investigation into the extensive fall of roof at Bilsthorpe Colliery, Nottinghamshire on 18 August 1993. ISBN 0717607003. Published by HSE Books in 1994. Publication and catalogue information, links to buy online and reader comments.