Swansea Valley (697011)46
This mine consisted of a shaft and drift driven into the Graigola seam. The drift was first called Ynispenllwch and appears to have been opened in the 1850s with the shaft being sunk to a depth of 132 yards in 1889. The drift was then abandoned in 1891.
It was worked in 1887 by L.& H. Gueret who renamed it Swansea Graigola, the name changed once more, to Guerets Graigola in 1890. In 1893 it was managed by C.W. Lancaster and in 1896 it employed 31 men underground and 6 men on the surface, the manager was John D. Jones. In 1899 it employed 134 men, in 1900 it employed 132 men, in 1901 it employed 79 men and in 1903 it employed 145 men.
It was closed in 1904.
Information supplied by Ray Lawrence and used here with his permission.
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