• P241672
    • Canal aqueduct, Brecon. Taken before...
    • P241673
    • Canal aqueduct, Brecon. Effect of frost...
    • P241674
    • Canal aqueduct, Brecon. Effect of frost...
    • P241675
    • Canal aqueduct, Brecon. Effect of frost...
    • P241676
    • Rhyd-goch Falls, Brecon, River Gwdi....
    • P241677
    • Cilieni, just entering River Usk, 8 m....
    • P241678
    • Llyn-cwm-llwch. Glacial mounds.
    • P241679
    • Near Llyn-cwm-llwch, N. of y...
    • P252062
    • Clydach Valley, Brynmawr. Stream...
    • P252063
    • Under Blorenge, S. of Abergavenny. Mud...
    • P252852
    • Little Neath, looking N. towards...
    • P252853
    • W. flanks of Fan Nedd seen from...
    • P252854
    • Headwaters of Nant-y-moch. Rejuvenation...
    • P252855
    • Nant-y-moch confluence with Little...
    • P252856
    • River Usk, Penmyarth, W. of Crickhowell.
    • P253227
    • Porth-yr-Ogof. Entrance to the...
    • P253228
    • Near Porth-yr-Ogof. The Mellte emerging...
    • P253229
    • Upper Clun-gwyn Fall. Waterfall over...
    • P245960
    • Middle Clyngwyn Falls, 21/2 m. from...
    • P245961
    • Middle Clyngwyn Falls, 21/2 m. from...
    • P245962
    • Upper Clyngwyn Falls, 23/4 m. from Pont...
    • P245963
    • Clyngwyn Falls. Upper part of Middle...
    • P245964
    • Lower Clyngwyn Falls, Mellte River. Due...
    • P245965
    • Cilhepste Falls, 3 m. NE from Pont...
    • P245966
    • Caer Howel, on River Hepste, 3 m. from...
    • P245967
    • Hepste Falls. Due to Clyngwyn fault.
    • P245968
    • Pwll-y-Rhyd, 4 m. N. of Pont Neath...
    • P245969
    • Cwm Pwll-y-Rhyd. Chasm due to strong...
    • P245970
    • Cwm Pwll-y-Rhyd. Gorge following strong...
    • P245971
    • Cwm Pwll-y-Rhyd. Jointed Carboniferous...
    • P245972
    • Ystradfellte. River Mellte entering...
    • P245973
    • 2/3 m. S. of Ystradfellte. River Mellte...
    • P245974
    • 1 m. S. of Ystradfellte, 19 m. from...
    • P245975
    • Ysgwd-yr-Eira, 3 m. from Pont Neath...
    • P245976
    • Ysgwd-yr-Eira, 3 m. from Pont Neath...
    • P245977
    • Afon Llia, 21/2 m. N. of Ystradfellte....
    • P245978
    • Ysgwd Gwladys, 1/2 m. N. of Pont Neath...
    • P245979
    • Nant-y-Moch, 17 m. N. of Neath. Falls...
    • P245980
    • Nant-y-Moch, 17 m. N. of Neath. Dip...
    • P245981
    • Ysgwd Gwladys. Thin grit in Shale...
    • P245982
    • 2/3 m. S. of Ystradfellte. Gorge of...
    • P245983
    • Pwlldu, 3 m. N. of Pont Neath Fychan....
    • P245984
    • Sychnant Ravine, Pont Neath Fychan....
    • P245985
    • Sychnant Ravine, Pont Neath Fychan....
    • P245986
    • Sychnant Ravine, Pont Neath Fychan....
    • P245987
    • Craig-y-Dinas, 1 m. from Pont Neath...
    • P245988
    • Craig-y-Dinas, 1 m. from Pont Neath...