Amendments to 'Gazeteer of Slate Quarrying in Wales'

P167 Pen y Gwryd Built platform in front of working

P186 Diffwys PANT YR YNN mill is powered by Du Bach stream

P 242 Cwm Ebol used by Jenkins of Aberystwyth c 1890 as source for slate
for enamelling

P258/9 All Grid refernces are SH

P 285 & 287 Add Brongyll poss 17th Cent Cambrian early working 1790s (Milner)

P288 Cambrian Martins uphaulage by water balance NW underground was Aberlas workings that extended under Nantyr P289 Water balance tank is from Martins Uphaulage.(Milner)

P284 & 305 Sarphle Should be SJ143328 (Milner)

P293 Craig y Orin Earlist record 1649 (Milner)

P 301 Nantyr Est. 1832. 1870s planned extension GV tramway

P304 Pen y bryn may have worked c 1800 (Milner)

P 305 Ty Draw Working 16th Cent poss 14th Cent (Milner)