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| An Account of the Strata of Northumberland and Durham | Volume: SUP, Page: 60 |
No. 2,438 — Blackhalls
Township of Monk Hesleden, Durham
Sheet 29 of 19thC Ordnance Map. Lat. 54° 44' 31", Long. 1° 16' 17".
[ OS Grid Ref: NZ 46902 38808 (446902,538808) ]
Section of No. 1 Diamond Bore-hole, at Blackhalls, stopped on November 1st, 1894
Approximate surface level 140 feet above sea (Ordnance datum)
Larger image of entry
| Source: | An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Supplement, published by the North of England Institute of Mining & Mechanical Engineers, 1910 |
Nearby Borings
Additional Links
| | A graphical representation of this entry |
| 19th Century Mapping | |
| | List of other entries on Durham Sheet 29 |
 | Location on 1st Series OS Map [www.old-maps.co.uk] |
| 20th Century Mapping | |
| | List of other entries on Landranger Sheet 93 (Middlesbrough, Darlington & Hartlepool) |
| | List of other entries on Detail Sheet NZ43 |
| | Location on current map [www.streetmap.co.uk] |
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