Historical Information Sheets on Individual Collieries: O

Scope and Content

Information sheets on the following collieries can be found within this file (please note that the amount of information on each sheet varies):


Oakdale Navigation (includes an additional information sheet and copies of two publications on Oakdale published Oct 1923 and Apr 1946)

Oakland Level


Oakwood (Celtic)

Oakwood Level

Ogilvie (includes a copy of a newspaper article)

Old Bedwas

Old Black Vein

Old Duffryn (Aberdare)

Old Duffryn (Rhymney)

Old Furnace

Old George Pits

Old Level

Old Pit

Old Pits

Od Pwllaca

Old Raglan

Onllwyn (two sheets)


Custodial History

Previous reference number: DNCB/67/12/1