:Taff Merthyr
{{short description|Formerly active Welsh coal mine}}
{{Use dmy dates|date=April 2022}}
Taff Merthyr was a deep navigation colliery in South Wales.[http://treharrisdistrict.tech-hosts.co.uk/collieriestaffmerthyr.php Taff Merthyr]
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Category:Collieries in South Wales
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