Subject ASC00011po
The Quarterly journal of the Geological Society of London.
v.56 (1900), Page 69 (1900)
Smithsonian Libraries
BHL Page 41487359
Keywords
topographical map Rhayader River Wye Mid Wales Railway Rhyd-hir-Brook Castle Hill Gaufron River Dulas Black Brook Moel Hywel St. Harmon Afon Marteg Gamallt Nant Gwynllyn Rhyddoldog Peny Bwilch Gyrn Afon Elan Cwin Elan Craig y Foel Cefn Llantadog Caban Côch Cnwch Gro Hill Nant y Gro Allt Côch Gamrhiw Llanwrthwl Doldowlod Sta. Cron Gafallt Gwastaden Cefn Nantmel Topographic map Rhyader rhayader district map topography topographical hills mountains district Corn Gafallt Cefn Rhyddoldog Wales Wye S' Harmon Rhayader District Gamall Topographical map of the Rhayader District