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No. 226 — Black Shield BogTownship of Plainmeller, Northumberland Sheet 92 of 19thC Ordnance Map. Lat. 54° 56' 13", Long. 2° 24' 45". [ OS Grid Ref: NY 73574 60339 (373574,560339) ] Account of the 5th Hole, bored at Black Shield Bog Colliery, about 250 yards East from the 3rd Approximate surface level 1,000 feet above sea (Ordnance datum) Nearby BoringsImmediate Vicinity
Borings within a 2½ miles (4km) radiusIn the following table the value given for the distance (miles/kilometres) are "as the crow flies" and are provided as an indication only.
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