. . . . . "1880"^^ . . . . "Welsh coal mine active 1875-1990"@en . "POINT(-3.4869582653046 51.680004119873)"^^ . . . . . "51.68000555555555 -3.4869583333333334" . "1874"^^ . . . . . . . . . . . . . . . "1990"^^ . . . . "Maerdy Colliery"@en . . . . . . . . . . . . . . . . . . . . . "Mardy Colliery"@en . . . . . . . . "1947"^^ . . . . . . . . . . . . . . . "1932"^^ . "51.68000411987305"^^ . . "1935"^^ . . . .