Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
The Mines Rescue Service of the National Coal Board (article)
Blunt, J. (Manager of Rescue Stations, Mines Rescue Service)
Jolliffe, G.V. (District Rescue Stations Manager, Mines Rescue Service)
Paper presented at a symposium on Health, Safety and Progress, 27-29 October 1976. 16 pages, stapled.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.