Glamorgan River Authority Automatic Sampling Device from Ogilvie Colliery (Daren River)

Scope and Content

Original envelope annotated 'Dr Richards, Glamorgan River Authority Automatic Sampling Device from Ogilvie Colliery (Daren River), 12/3/68'.

Custodial History

Original National Coal Board negative number: n/a. Original Glamorgan Archives Box number: DNCB/48/4.