Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Cwmgwili Colliery, plan
Full title - Cwmgwili Colliery. Rock Seam. Deputy's District Plan. Scale :- 1/5000. Ref. No. CC/JL/DDP. Date of Revision 9.11.96. Underground plan with coloured pencil highlights.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.