Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,355 pages of information and 233,846 images on early companies, their products and the people who designed and built them.

Bwllfa and Cwmaman Collieries

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Predecessor company: Bwllfa and Cwmaman Ddu Collieries

1930 Amalgamated with other companies into Welsh Associated Collieries

1936 Welsh Associated Collieries were absorbed into the Powell Duffryn Associated Collieries.

By 1937 Subsidiary of Powell Duffryn Associated Collieries Ltd. Owned 4 mines at Bwllfa, Aberdare, and Cwmmaman, Fforchwen, M.D. Level, Mardy, and Trewen[1].

See Also


Sources of Information

  1. Durham Mining Museum [1]
  • Durham Mining Museum [2]