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No. 2,497 — ButterknowleTownship of Barony, Durham Sheet 41 of 19thC Ordnance Map. Lat. 54° 39' 25½", Long. 1° 47' 57½". [ OS Grid Ref: NZ 12937 29156 (412937,529156) ] Account of Strata passed through in No. 2 Bore-hole Approximate surface level 625.40 feet above sea (Ordnance datum)
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