CPAT Regional Historic Environment Record
The following information is from the on-line database 'Archwilio'.
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True Blue Mine

Primary Reference Number (PRN) : 33185
Trust : Clwyd Powys
Community : Holywell
Unitary authority : Flintshire
NGR : SJ17907560
Site Type (preferred type first) : POST MEDIEVAL SILVER MINE / POST MEDIEVAL LEAD MINE / POST MEDIEVAL ZINC MINE

Summary :
Mine, early 19th century

Description :
Lead/Silver/Zinc (Early 19th century-1901)

Geology
Carboniferous Limestone.

Workings
The True Blue sett worked the string off the Holloway Vein. The vein cuts the road up to Pen-y-ball Top from the Holloway Road and the workings can be traced as a line of shafts and mounds that run north to south from SJ28027584, to the north-west of the modern covered reservoir and viewpoint to SJ17927528, being the Sir Edward sett (18198).

Transport
No evidence.

Power
No evidence.

Processing
No evidence.

Other features
No evidence.

Sources :
Britnell, W J, Martin, C H R & Hankinson, R , 2000 , Holywell Common and Halkyn Mountain: Historic Landscape Characterization ( © Clwyd Powys Archaeological Trust)
Clwyd Powys Archaeological Trust , 1995 , Site visit record - PRN33185

Events :
39362 : Historic Landscape Characterisation, Holywell Common and Halkyn Mountain (year : 1999-2000)

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 20, 2025, 12:24 pm - 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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