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| An Account of the Strata of Northumberland and Durham | Volume: F-K, Page: 153 |
No. 1,064 — Hartley
Township of , Northumberland
Sheet 81 of 19thC Ordnance Map. Lat. , Long. .
Boring from the Metal to the Main Coal, Hartley Colliery. May 3rd, 1757
Approximate surface level feet above sea (Ordnance datum)
Larger image of entry
| Source: | An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume F-K, published by the North of England Institute of Mining & Mechanical Engineers, 1885 |
Additional Links
| | A graphical representation of this entry |
| 19th Century Mapping | |
| | List of other entries on Northumberland Sheet 81 |
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