- 2/1 (2002 deposit)
- Ffeil
- 1935, April-1953, Oct. (lacking between July 1939 and June 1943, June 1943 and Sept. 1945)
Rhan oCampaign for the Protection of Rural Wales (CPRW) records
The file includes information regarding the designation of Snowdonia and the Pembrokeshire Coast as national parks, the aftermath of the Second World War and the development of hydro-electric schemes in North Wales.