Colliery cost books

Scope and Content

Rhymney Valley: West Elliot; East Elliot; Bargoed; Britannia; Ogilvie; Groesfaen; Penallta; Rhymney Merthyr; Mardy; Pidwellt; Windsor; Senghenydd; Albion; Dowlais Cardiff; Brithdir; Llanharan; Llantrisant; Pengam; Penallta washery; Elliot washery; Barfoed washery; Llanharan washery; Windsor washery; Deri washery; Dowlais Cardiff washery; Bargoed coke ovens; Bargoed power stations; Elliot power stations; Penallta power station; Wernddu and Rhymney brickworks

Northern area (Aberdare): Duffryn Aberdare; River Level; Fforchamen; Cwmneol; Aberaman; Lower Duffryn; Aberaman clay level; Tirherbert and Coronation; Llewellyn; Bwllfa; Cwmaman; Mardy; Cwmcynon; Deep Duffryn; Abergorchi; Navigation; Merthyr Vale; Plymouth; Nantrodyn; Castle; Ferndale; Ynysfaio; Duffryn Rhondda; Duffryn Hirwaun washery; Middle Duffryn; Aberdare Valley sizing plant; Mountain Ash washery; Merthryr Vale washery; Ferndale washery; Duffryn Rhondda washery; Mountain Ash ropeway; Ferndale ropeway; Middle Duffryn, Bwllfa and Duffryn Aberdare electrical power stations, Aberdare Valley and Ferndale compressed air stations

Rhondda area: Britannic; Trane; Cambrian; Glamorgan; Bertie; Trefor; Tymawr; Margaret; Cwm; Maritime Downcast; Blaenclydach; Pandy; Anthony; Maritime Washery; Cambrian washery; Lewis Merthyr washery; Naval washery; Maritime coke ovens