Rowen-Hydro Electric Proposals. Relates to Dolgarrog Generating Station. Contains 2 loose plans showing the proposed extension to Dolgarrog Generating Station and Sewer and Site Plan of Trefriw Sewerage and Sewage Disposal.
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- ReferenceGB 2008 COB10/6/83
- Dates of Creation1948-1953
- Physical Description1 item