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No. 2,359 — AllendaleTownship of High Forest, Northumberland Sheet 111 of 19thC Ordnance Map. Lat. , Long. . General Section of Strata from the Fell Top Limestone to the lowest Stratum in the Lead-mines at Allenheads, by Mr. T. Sopwith. Approximate surface level 1,700 feet above sea (Ordnance datum)
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