About: Cynheidre Colliery

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Cynheidre Colliery was a coal mine located in the Gwendraeth valley, in Carmarthenshire, South Wales. Opened in 1954, it closed in 1989. Cynheidre was developed by the National Coal Board as one of the West Wales "super pits" alongside Abernant Colliery in the River Amman valley, a post-World War II investment intended to keep economic coal mining a viable industry in the area. Created to exploit 196 square miles (510 km2) of deep lying anthracite seams, it was envisaged to eventually encompass the working of the drift mines at the and Pentremawr.

Attributes	Values
rdf:type	yago:WikicatCoalMinesInWales yago:WikicatUndergroundMinesInWales geo:SpatialThing yago:Artifact100021939 yago:CoalMine103056368 yago:Excavation103302121 yago:Mine103768346 yago:Object100002684 yago:PhysicalEntity100001930 yago:YagoGeoEntity yago:YagoPermanentlyLocatedEntity weapon yago:Whole100003553
rdfs:label	Cynheidre Colliery (en)
rdfs:comment	Cynheidre Colliery was a coal mine located in the Gwendraeth valley, in Carmarthenshire, South Wales. Opened in 1954, it closed in 1989. Cynheidre was developed by the National Coal Board as one of the West Wales "super pits" alongside Abernant Colliery in the River Amman valley, a post-World War II investment intended to keep economic coal mining a viable industry in the area. Created to exploit 196 square miles (510 km2) of deep lying anthracite seams, it was envisaged to eventually encompass the working of the drift mines at the and Pentremawr. (en)
geo:lat	51.750500 (xsd:float)
geo:long	-4.184000 (xsd:float)
dcterms:subject	Buildings and structures in Carmarthenshire Collieries in South Wales Underground mines in Wales Llanelli Rural
Wikipage page ID	22143834 (xsd:integer)
Wikipage revision ID	1099765943 (xsd:integer)
Link from a Wikipage to another Wikipage	Carmarthenshire Buildings and structures in Carmarthenshire River Amman South Wales Anthracite Llanelly and Mynydd Mawr Railway Compost Planning permission Abernant Colliery Collieries in South Wales Underground mines in Wales Llanelli Rural Human waste Methane gas National Coal Board World War II Gwendraeth valley BBC Wales Pentremawr Colliery Drift mine Coal mine dbr:Glynhebog_Colliery dbr:Great_Mountain_Colliery
Link from a Wikipage to an external page	http://www.bbc.co.uk/wales/coalhouse/sites/mines/pages/cynheidre_colliery.shtml http://www.welshcoalmines.co.uk/Carm/Cynheidre.htm
sameAs	Cynheidre Colliery Cynheidre Colliery Cynheidre Colliery Cynheidre Colliery
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georss:point	51.7505 -4.184
has abstract	Cynheidre Colliery was a coal mine located in the Gwendraeth valley, in Carmarthenshire, South Wales. Opened in 1954, it closed in 1989. Cynheidre was developed by the National Coal Board as one of the West Wales "super pits" alongside Abernant Colliery in the River Amman valley, a post-World War II investment intended to keep economic coal mining a viable industry in the area. Created to exploit 196 square miles (510 km2) of deep lying anthracite seams, it was envisaged to eventually encompass the working of the drift mines at the and Pentremawr. Between 1954 and 1956, shafts No.1 (upcast 798 yards (730 m)) and No.2 (downcast 786 yards (719 m)) were sunk 2 miles (3.2 km) south of Pentremawr, to give economic access to the deeper lying extents of the anthracite seams which couldn't be worked economically by slant mining. In 1955, shaft No.3 was created. Originally sunk for ventilating , it was extended to a depth of 760 yards (690 m) to meet the workings at Cynheidre, providing an upcast. By 1960, the colliery employed 650 men producing 30,757 tons of coal. In 1962, shaft No.4 downcast was created next to shaft No.3, to a depth of 700 yards (640 m). After these developments, Pentremawr was integrated under Cynheidre in 1973, connected both underground as well as overground by the Llanelly and Mynydd Mawr Railway. From both the structure of local geology and knowledge from workings at Pentremawr, it was known that the coal field suffered from methane gas intrusion. On 6 April 1971 six miners lost their lives in an explosion of methane gas and fine coal dust. In 1972, Cynheidre produced 472,000 tons of coal employing 1,430 men. Cynheidre was to be the site of the proposed Carway Fawr Drift Mine. Development work started in 1986, but along with the residual Cynheidre underground workings, closed in January 1989 while employing 1,043 men. In 2006, the site was proposed as the location of a human waste-to-compost plant, but was turned down on planning permission. (en)
gold:hypernym	Mine
prov:wasDerivedFrom	wikipedia-en:Cynheidre_Colliery?oldid=1099765943&ns=0
page length (characters) of wiki page	3799 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Cynheidre_Colliery
geo:geometry	POINT(-4.1840000152588 51.750499725342)
is Link from a Wikipage to another Wikipage of	South Wales Coalfield Llanelly and Mynydd Mawr Railway Llanelli and Mynydd Mawr Railway Briquette Abernant Colliery Cynheidre Mining in Wales Pentremawr Colliery
is Wikipage redirect of	Cynheidre
is foaf:primaryTopic of	wikipedia-en:Cynheidre_Colliery

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