Cwmorthin Conglog 50
Cwmorthin Conglog 46
Cwmorthin Conglog 36
Cwmorthin Conglog 33
Cwmorthin Conglog 22
Cwmorthin Conglog 16
Cwmorthin Conglog 13
Tanygrisiau, Blaenau Ffestiniog
Introducing Falcon Hildred
Decorated slate fireplace - detail
Decorated slate fireplace
Slate used for vent, Goetre Isaf
Slate fencing at Goetre Isaf
ORION lost off St David's Head 26 October...
Maenofferen quarry - view of winding house, 1999
Maenofferen quarry - exit tunnel beneath house
Maenofferen quarry - winding house chimney side
Maenofferen quarry - winding house, 1999
Rhosydd drum house to Croesor incline, 2003
Rhiwbach tramway crossing Llyn Bowydd dam, 2008
Two views of Pant-yr-ynn slate mill, 2007
Remains of Bonc Goedai winding house, 1998
Overhanging rock, High Street, 1987
Steam Mill, Diffwys quarry, 2004
Holland's Level - mill facing Garreg Flaen...
Holland's Level - buttressed incline, 2001
Key plan of Holland's Level, 2002
Holland's Level, 2001
Tanygrisiau Terrace, 1987
