The adit ws driven in the 19C to drain the Great Orme Mines. Opens out to a series of passages on several levels once connecting with the summit mines.
Diane and Nigel Campbell Bannerman (2001); Great Orme Explained, The; 77 pages
GOES (1998); Journal No 1; pp. 10-14
Timberlake, Simon (2001); PDMHS (Peak District Mines Historical Society) 14-6 Win - How Old is the Owld Man - Discovering Ancient Mines; 7 pages (54-60)