Mary Gillham Archive Project: North face of the Crybin. A hazard skirted by Roman road.
Mary Gillham Archive Project: Watershed. ORS of North scarp of beacons near Taf Fechan source. 24.08.71
Mary Gillham Archive Project: Brecon side of scarp from Pen y Fan. Crybin on right.
Mary Gillham Archive Project: Rugged outcrop of ORS rim of saucer in North Plateau. Beds at the top of the Crybin.
Mary Gillham Archive Project: Last lap from Taf Fechan source to Pen Y Fan summit. Jack Evans.
Mary Gillham Archive Project: Mineral flush with Juncus effusus. Sheep-scraped shelters. Taf Fechan.
Mary Gillham Archive Project: Birth of Taf Fechan. Ranunculus flammula. R repens. 1971.
Mary Gillham Archive Project: Many trickles unite and cut in to the Nardus solifluction slopes. Taf Fechan.
Mary Gillham Archive Project: Taf Fechan winds though solifluction head and glacial drift to Neuadd Reservoir.
Mary Gillham Archive Project: Jack shows Taf Fechan source. A spring bubbling out of Pen Y Fan.
Mary Gillham Archive Project: Looking back upstream to unaccustomed heat haze. Taf Fechan.
Mary Gillham Archive Project: A young landscape on Upper Taf Fechan. Tributary cuts steeply into solifluction head. Strawey stems of Nardus stricta. Late August.
Mary Gillham Archive Project: Stepped falls and trout pools in upper Taf Fechan. ORS.
Mary Gillham Archive Project: Calluna, Hypercium pulchrum, Crepis paludosa, Athyrium, Drypteris filix-mas. Vertical crag by Upper Taf Fechan.
Mary Gillham Archive Project: Taf Fechan cuts into bedrock between lobes of solifluction head. Lower Pen Y Fan.
Mary Gillham Archive Project: River Taf Fechan flowing into Upper Neuadd Reservoir. August 1971.
Mary Gillham Archive Project: Flowering butterwort on vertical cliff with Pellia. Taf Fechan.
Mary Gillham Archive Project: Pinguicula vulgaris up Nedd Fechan oxbows. July 1988.
Mary Gillham Archive Project: New erosion face East of Taf Fechan near source. January 1978.
Mary Gillham Archive Project: Iced tributary through snow. West of Upper Neuadd. January 1978.
Mary Gillham Archive Project: Starry-edged ice plates. Taf Fechan. Top. 1978
Mary Gillham Archive Project: Ice plates 3 inch above river level. Taf Fechan. January 1978.
Mary Gillham Archive Project: Ice skirted boulders. Taf Fechan. Janurary 1978.
Mary Gillham Archive Project: Stream above Tal y Bont Reservoir below falls. March 1978.
Mary Gillham Archive Project: Pine, haw, beech, river above Neuadd. January 1978.
Mary Gillham Archive Project: Upper Neuadd Reservoir from Upper Taf Fechan. August 1971.
Mary Gillham Archive Project: Upper Neuadd Reservoir from slopes of Pen y Fan.
Mary Gillham Archive Project: Juncus, Pinus, Jack. Upper Neuadd Reservoir. Taf Fechan left. 25.08.71
Mary Gillham Archive Project: Shallow rooted connifer fallen by upper Neuadd Reservoir. Dam tower. Audrey Bird. August 1971
Mary Gillham Archive Project: Old methods of travel. Walkiers and ponies. Roman road. Summit.