Northumberland nLXXXV.SE (6 inch to the mile) - Northumberland nLXXXV.SE (6 inch to the mile)
OS revised: 1913 to 1938, Geological Survey revised: 1931, Published: 1953 Size: map 31 x 46 cm (ca. 12 x 18 inches), on sheet ca. 47 x 67 cm (ca. 18 x 26 inches)