1. (Slate loading bank).
2. Part of Dorothea Slate Quarry complex (Nprn40539), depicted on OS County series (Caernarvon. XXI.9 1889); can be associated with:
Engine house (Nprn33673)
Winder house (Nprn40548).
A tramway passes through the body of the structure (see Nprn40546).
RCAHMW AP945128/66-7
J.Wiles 17.06.04