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PFA - Penrhyn Castle Further Additional
6 - Maps and plans
6 - Engineering Plans
Rhif Cyf Amg
PFA/6/340
Teitl
Plan of the Penrhyn quarry hydro-electric plant together with the area to be near Pont Galedffrwd
Disgrifiad
Plan showing the area that will be covered by water at the dam if the scheme at the dam proceeds. Linen backed, scale 12.6 inch to 1 mile.
Dyddiad
1927
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