The file contains notes on birds, plants and geology of Stanner Rocks in Radnorshire; accounts of camping on Welsh islands, describing the weather, birds, plants, conservation problems, history and archaeology, including the excavation of St Tudwals Priory in 1961; plant list for Dowrog; the source of the River Rheidol and scenery of Plynlimon; bird lists for Bardsey and the Dovey; Barmouth antiquities; old mountain roads and prehistoric remains in Merionethshire; impact of walls on the landscape; ancient ruins and wildlife of Llyn Bodlyn; plants and views from Dduallt; kite records at Dolgoch, May 1964, and a walk on Moel Siabod with a description of Dolwyddelan Castle.

The file includes deleted notes about the African landscape, outline proposals to schedule certain sites in Merionethshire as nature reserves, substantial notes on Parys mine, Amlwch, Anglesey, covering the geology, mineralogy, history, literary references, processing of ores, and eventual abandonment, Dovey bird list and duck count, draft articles on birds, partially deleted, brief notes on various historical sites in Cardiganshire with suggestions for photographs, account of a walk over the Rhinog Mountains, pressures on the Welsh countryside from increased water usage, afforestation, modern agriculture and recreation, definitions of common land, and results of a bird survey, giving reference numbers of the grid squares.