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No. 1,062 — HartleyTownship of Hartley, Northumberland Sheet 81 of 19thC Ordnance Map. Lat. 55° 04' 16", Long. 1° 29' 30". [ OS Grid Ref: NZ 32457 75308 (432457,575308) ] Account of Strata sunk through below the Benton Seam to the Yard Coal Seam, in the Nightingale Pit, Hartley Colliery Approximate surface level 111 feet above sea (Ordnance datum)
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