davel
Member
Article https://www.dailypost.co.uk/news/north-wales-news/explorers-open-up-hidden-world-25802398 in Daily Post about the Ty Gwyn mine.
the Great Orme Exploration Society website https://www.goes.org.uk/home is also well worth a look.
Dave
the Great Orme Exploration Society website https://www.goes.org.uk/home is also well worth a look.
Dave