Manvers Main Colliery

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Manvers Main Colliery was a coal mine, sunk on land belonging to the Earl Manvers on the northern edge of Wath-upon-Dearne, between that town and Mexborough in the Dearne Valley, in the West Riding of Yorkshire, England. The regional headquarters and laboratories of British Coal were situated in the complex.

Manvers was a complex comprising the original sinkings known as "Old Manvers", later sinkings known as "New Manvers" and a coke and by-products plant. The first shaft was sunk in the late-19th century followed by the second shaft, sunk between 1900 and 1901, and later a third shaft was sunk.

The Manvers Main Colliery Company was responsible, in 1911, for sinking two shafts at Barnburgh, a village about two miles north east. The collieries were connected by a private railway.

Between 1920 and 1934, the manager of the coke-oven, washery and brickworks departments at Manvers Main was Cornelius Finn, who during this period (1923–24) was also president of the Coke Oven Managers Association.^[1]

On 4 March 1945, an accident caused the death of five underground workers. The cause was an explosion of firedamp ignited by sparks from a damaged trailing cable.

Immediately before nationalisation, Manvers was owned by Manvers Main Collieries Ltd. The coke ovens and coal by-products plant were closed in 1981. With rationalisation in the South Yorkshire coalfield, from 1950 to 1956, Manvers became the centre of coal output from the collieries known as the South Manvers complex that were linked below ground. They were Wath Main, Barnburgh Colliery and Kilnhurst. Each colliery retained its individual identity but the coal was wound to the surface at Manvers; this was done to protect the loyalties and friendships of the local pitworkers at each mine.^[2] The colliery complex was closed on 25 March 1988.^[3]