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No. 244 — BlenkinsoppTownship of Blenkinsopp, Northumberland Sheet 91 of 19thC Ordnance Map. Lat. 54° 58' 17", Long. 2° 33' 12". [ OS Grid Ref: NY 64583 64234 (364583,564234) ] Section of Strata at Blenkinsopp, near Todholes Approximate surface level 800 feet above sea (Ordnance datum)
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