CPAT Regional Historic Environment Record
The following information is from the on-line database 'Archwilio'.
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Westminster, Bog Mary Ann shaft

Primary Reference Number (PRN) : 18227
Trust : Clwyd Powys
Community : Llanarmon-yn-ial
Unitary authority : Denbighshire
NGR : SJ21055685
Site Type (preferred type first) : POST MEDIEVAL LEAD MINE

Description :
Lead (Late 19th century)

Geology
Carboniferous Limestone.

Workings
The Mary Ann Shaft and the New Engine Shaft worked the Westminster Vein further east from the old Bog Issa Shaft.

The Mary Ann Shaft at SJ20995686, was capped by the 1978 reclamation programme conducted by the NKC Partnership and remains under an area of scrap, reached up the track alongside the Bog farm gateway. The area around the shaft and engine house has been cleared of mining waste, which covers a substantial area on the 1st edition OS.

Transport
No evidence.

Power
The substantial stone remains of the engine house walls survive to 2.5m in part to the north-east of the shaft. It apparently featured a stone bearing the date 1853. The features of the engine house are discernable but the chimney must have been cut by the later track to Waendyllog Farm.

Processing
No evidence.

Other features
No evidence.

Sources :
Clwyd Powys Archaeological Trust , 1993 , Site visit record - PRN18227

Events :

Related records

Compiled date : 31-12-1995


Archaeological data, from the Historic Environment Record, supplied by The Clwyd-Powys Archaeological Trust in partnership with Local Authorities, Cadw and the partners of ENDEX © CPAT, 2025 (and in part © Crown, 2025). It is intended to be used for private research only and is not for use as part of commercial projects. If you wish to use this information for publication in printed or multimedia form or to compile resources for commercial use, prior permission must be obtained in writing. Use of this information is subject to the terms and conditions of access to HER data published on CPAT's website. Please contact the HER if you have any further questions regarding this information. Please quote the Primary Reference Numbers (PRNs) in any correspondence.

April 21, 2025, 4:37 am - File produced for Archwilio from CPAT's Regional HER.
Clwyd-Powys Archaeological Trust, The Offices, Coed y Dinas, Welshpool, Powys, SY21 8RP
tel (01938) 553670, email her@cpat.org.uk, website www.cpat.org.uk

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