Graig Merthyr Colliery, line of drams in the Graigola Seam - note the unsupported sandstone roof, c.1977

External source:

http://www.museumwales.ac.uk/en/home/

Uploaded by

Date Joined:

24/07/2009

Creator:

Unknown

License information:

Reproduced by permission of National Museum of Wales

Creative Archive Licence

National Museum of Wales 2012

Publisher Ref:

museumwales.ac.uk/media/11576

Item uploaded:

11/5/2012

Views:

2672

Favourites:

This item also appears in