| An Account of the Strata of Northumberland and Durham |
Volume: C-E, Page: 318 |
No. 828 — Etherley
Township of , Durham
Sheet 42 of 19thC Ordnance Map. Lat. , Long. .
Strata bored through in Etherley Grange Estate, at a point near the North Boundary, behind Etherley Grange Hole, by Wm. Coulson. 1862
Approximate surface level feet above sea (Ordnance datum)
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