Borehole Cores, Weathering Samples, Sample No.20

Scope and Content

Original envelope annotated 'Mr Jack Lawrence, Area Scientific Department, Borehole Cores, Weathering Samples (3rd Record), 9/11/70'. Two images on one negative strip.

Custodial History

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