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No. 2,575 — Colt CragTownship of Great Swinburn and Colwell, Northumberland Sheet 77 of 19thC Ordnance Map. Lat. 55° 06' 03", Long. 2° 05' 57". [ OS Grid Ref: NY 93673 78501 (393673,578501) ] Account of Strata passed through in Bore-hole D, Colt Crag Reservoir, June 1902 Approximate surface level 662.80 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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