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No. 3,035 — WalkerTownship of Walker, Northumberland Sheet 98 of 19thC Ordnance Map. Lat. 54° 58' 30", Long. 1° 32' 39". [ OS Grid Ref: NZ 29174 64591 (429174,564591) ] Account of Strata sunk and bored through below the Beaumont Seam in the Ann Pit, Walker Colliery Approximate surface level feet above sea (Ordnance datum)
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