Shoring under broken ground in the tourist level.
WSQ034CYMRUGWYNEDDINDUSTRIAL ARCHAEOLOGYINDUSTRIAL HERITAGEINDUSTRIAL HISTORYJohn H. Luxton PhotographyQUARRYSLATE QUARRYSLATEWALESwww.jhluxton.comGLODDAFA GANOLBLAENAU FFESTINIOGGLODDFA GANOL1984Oakley Quarry