Plan of Mains shown in the Bangor/Tregarth area.
[O.S. 6", 4 sheets spliced together: Anglesey XIX SE, Caerns. VII SW, Caerns. XI NE and Caerns. XII NW]
Plan of Mains shown in the Bangor/Tregarth area.
[O.S. 6", 4 sheets spliced together: Anglesey XIX SE, Caerns. VII SW, Caerns. XI NE and Caerns. XII NW]