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N20796

Old Hartley Colliery, Seaton Valley

Old Hartley, Seaton Valley

55.075737, -1.471605

Hospital Pit

Redeveloped

Last Updated:

5 Sept 2021

Owners: 

Delaval Family

HER Info

This is the site of the Hospital Pit both owned and operated by the Delaval family. It was sunk to the rich coal underground levels called 'seams' of the area before 1745. However, it is unknown when this colliery was worked. The site appears unrecognised in the 1860s by the Ordnance Survey mapping of the area. There were many small, almost bell pit, mines in this area of the county owned by the Delavals.

'Sketches of The Coal Mines in Northumberland and Durham' T.H.Hair, published in 1844

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