Plan

Scope and Content

Rhydymwyn Mining Co and Llyn-y-pandy Mining Co: Ordnance Survey 25-inch Sheet XIII.2 (first edition 1871) marked to show boundary between two companies' grants, Bryncelyn, Llyn-y-pandy and South Llyn-y-pandy mines, Halkyn tunnel and proposed tunnel to South Llyn-y-pandy.

E5/6.

Note

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