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No. 1,644 — St. Helen's AucklandTownship of St. Helen's, Auckland, Durham Sheet 42 of 19thC Ordnance Map. Lat. 54° 38' 29", Long. 1° 41' 31". [ OS Grid Ref: NZ 19879 27419 (419879,527419) ] Account of Second Hole, about 150 yards South-east from First Hole. December 15th, 1828 Approximate surface level 346 feet above sea (Ordnance datum)
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