Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Proposed Dinorwic Hydro-Electric Power Scheme
"The Proposed Dinorwic Hydro-Electric Power Station. The facts in question and answer form". 15 pages with two black and white and 4 colour photograps.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.