Another catalogue description can be found here https://archiveshub.jisc.ac.uk/data/gb222-bmssejw
Plan of the "Section of the Seams and Strata proved in the River Dee Coalfield, near Mostyn, Flintshire" by E.J. Williams
This material is held atArchifdy Prifysgol Bangor / Bangor University Archives
- Reference
- GB 222 BMSS/1133a
- Dates of Creation
- 1876