TREFIL QUARRY NORTH
SOUTH DOROTHEA QUARRY
TIR ABRAHAM HARRY, IRONSTONE QUARRY N OF
PANT MAWR SLATE QUARRY
MOEL-Y-FAEN QUARRIES
DIXIES CORNER N
GILWERN HILL QUARRY
DIFFWYS SLATE QUARRY, BLAENAU FFESTINIOG
RHOS QUARRY (SLATE AND SLAB WORKS), CAPEL CURIG
CYNFFIG QUARRY
GORE QUARRY, OLD RADNOR HILL, WALTON
DINORWIC SLATE QUARRY
GILWERN HILL NORTH QUARRY, GILWERN HILL, CLYDACH
COITY SANDSTONE QUARRY AND INCLINE
CRAIG-Y-CWM QUARRY, NE OF PANTMAENOG FOREST
ABERCORRIS SLATE QUARRY
ALEXANDRA QUARRY
DOROTHEA QUARRY (GENERAL)
PENMAENMAWR STONE QUARRY
QUARRIES, TREDEGAR
CRAIG DDU QUARRY
Aerial photograph of Dorothea Slate Quarry,...