The Minera Lead Mines were a mining operation and are now a

country park A country park is a natural area designated for people to visit and enjoy recreation in a countryside environment. United Kingdom History In the United Kingdom, the term ''country park'' has a special meaning. There are around 250 recognised coun ...

and tourist centre in the village of

Minera Minera ( cy, Mwynglawdd; ) is a village and community in Wrexham County Borough, Wales. It adjoins the village of Coedpoeth. The community, which in addition to Minera village includes a number of smaller hamlets such as Gwynfryn and New Brigh ...

near

Wrexham Wrexham ( ; cy, Wrecsam; ) is a city and the administrative centre of Wrexham County Borough in Wales. It is located between the Welsh mountains and the lower Dee Valley, near the border with Cheshire in England. Historically in the count ...

, in

Wrexham County Borough Wrexham County Borough ( cy, Bwrdeistref Sirol Wrecsam) is a county borough, with city status, in the north-east of Wales. It borders England to the east and south-east, Powys to the south-west, Denbighshire to the west and Flintshire to the nort ...

Wales Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–England border, east, the Irish Sea to the north and west, the Celtic Sea to the south west and the ...

History

The first written record of

lead Lead is a chemical element with the symbol Pb (from the Latin ) and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and also has a relatively low melting point. When freshly cu ...

mining Mining is the extraction of valuable minerals or other geological materials from the Earth, usually from an ore body, lode, vein, seam, reef, or placer deposit. The exploitation of these deposits for raw material is based on the economic via ...

at Minera dates back to 1296, when

Edward I of England Edward I (17/18 June 1239 – 7 July 1307), also known as Edward Longshanks and the Hammer of the Scots, was King of England and Lord of Ireland from 1272 to 1307. Concurrently, he ruled the duchies of Aquitaine and Gascony as a vassa ...

hired miners from the site to work in his new mines in Devon. Not all of them vacated the area, however, as mining went on until the

Black Death The Black Death (also known as the Pestilence, the Great Mortality or the Plague) was a bubonic plague pandemic occurring in Western Eurasia and North Africa from 1346 to 1353. It is the most fatal pandemic recorded in human history, causi ...

in 1349, when it ended. In 1527, two men bought the rights to mine on the site, but deeper workings were unworkable due to the presence of underground rivers, and the inability to prevent flooding. The inability to pay for steam engines to pump out water closed the mines again until 1845, when John Taylor & Sons, mining agents from Flintshire, formed the Minera Mining Company. They were able to build a stationary steam engine on site, and also blast caves from down in the valley into the mines, for extra drainage. The steam engine was a

Cornish engine A Cornish engine is a type of steam engine developed in Cornwall, England, mainly for pumping water from a mine. It is a form of beam engine that uses steam at a higher pressure than the earlier Watt steam engine, engines designed by James Wat ...

(i.e. a

Beam engine A beam engine is a type of steam engine where a pivoted overhead beam is used to apply the force from a vertical piston to a vertical connecting rod. This configuration, with the engine directly driving a pump, was first used by Thomas Newco ...

), typical for stationary engines at the time. John Taylor & Sons had used a £30,000 investment at the time, yet the profits for 1864 alone were £60,000 (equivalent to over £4 Million in 2008. By 1900, the price of lead and zinc had fallen dramatically, while the price of

coal Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dea ...

used for the steam engine rose. The stationary steam engine stopped work in 1909. The owners sold off the mines and all assets by 1914.

Transport

For transport, the Mines had their own railway branch line, which connected with the end of the

Wrexham and Minera Branch The Wrexham and Minera Railway or Wrexham and Minera Branch was a railway line in North Wales between the city of Wrexham, the village of Brymbo where it served the Brymbo Steelworks, and the lead mines and Minera Limeworks, limeworks at Minera ...

Minera Limeworks The Minera Limeworks were extensive lime quarries and kilns at Minera in Wrexham, Wales. It was located at , near the villages of Gwynfryn, Minera, and Coedpoeth and was locally referred to as ''The Calch''. History The Minera Limeworks w ...

. The mines also had their own steam locomotive, a

Manning Wardle Manning Wardle was a steam locomotive manufacturer based in Hunslet, Leeds, West Yorkshire, England. Precursor companies The city of Leeds was one of the earliest centres of locomotive building; Matthew Murray built the first commercially s ...

0-6-0ST (Works No. 21) Henrietta. The lead ore would be taken to

for transport nationally, and Coal brought back. The line was dismantled when the mines closed, as the line was privately owned, however were rebuilt to serve nearby clay pits. Plans to build a tourist

narrow gauge railway A narrow-gauge railway (narrow-gauge railroad in the US) is a railway with a track gauge narrower than standard . Most narrow-gauge railways are between and . Since narrow-gauge railways are usually built with tighter curves, smaller structur ...

on the line were made in the 1990s, but have not progressed.

Restoration

The workings and local area underwent massive restoration and regeneration funded by

Wrexham County Borough Council Wrexham County Borough Council () is the governing body for Wrexham County Borough, a Principal area of Wales, principal area in North Wales, north Wales, covering Wrexham and the surrounding area. History Elections take place every five years ...

and the Welsh Development Agency beginning in 1988 to make sure the lead, Zinc and lime spoil tips didn't contaminate local water supplies, the Engine house was rebuilt and fitted with replica machinery, as the original steam engine was removed in 1914. A visitor Centre was opened for public use, and the engine house is part of a tour. It is a site of tourism for Wrexham County Borough Council. In 2004, the site was attacked by vandals, but this was repaired by the council in 2005.

Sources

Minera Lead Mines
– official museum site

– Wrexham County Borough Council

References

{{GreenWrexham Defunct mining companies of the United Kingdom Mining in Wales Mining museums in Wales Museums in Wrexham County Borough Parks in Wrexham County Borough