Ordnance Survey Plans

Archive Unit

Scope and Content

Holywell-Halkyn Mining & Tunnel Co: OS 25-inch plans marked to show tunnels, lodes and shafts, old and recent on Flintshire grant from Halkyn in north to Cadole in south (in Halkyn, Northop, Cilcain and Mold) [By J A Jones].

X1/1.

Note

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Related Material

D/HM/52