Ure Valley Quarry, ripon, north yorkshire, HG4 3HT
Technical Enquiries, knaresborough, north yorkshire, HG5 0SE
Allerton Park Pit, knaresborough, north yorkshire, HG5 0SD
Mellin, scarborough, north yorkshire, YO11 3U
Highmoor Quarry, tadcaster, north yorkshire, LS24 9N