Section plan of Seven Sisters coalmine,
- NLW MS 9149D.
- File
- [?1930s].
A photostat facsimile of a section plan of the Seven Sisters Pit made in 1880 by Thomas Lloyd.
2 results directly related Exclude narrower terms
Section plan of Seven Sisters coalmine,
A photostat facsimile of a section plan of the Seven Sisters Pit made in 1880 by Thomas Lloyd.
Survey reports for Seven Sisters Colliery,
Part of Monmouthshire and South Wales Coal Owners Association Records,
Samples 80. Examination of the Nine Feet, Cornish, and Peacock (Brass) seams.