Great Britain. Ordnance Survey of England. Great Britain. Geological Survey of England and Wales. Sheet 27 drift. Geological Survey of Great Britain. North Decimal Degree 54.816700. South Decimal Degree 54.6500. East Decimal Degree -1.2000. West Decimal Degree -1.5833. In upper left margin: Ordnance Survey of Great Britain. Relief shown by contour interval and spot heights.Transverse Mercator projection. National grid system. Depths shown by contour intervals. "Original Geological Survey on the six-inch scale by H.H. Howell and A.C.G. Cameron. Published on the one-inch scale as Old Series 103 N.E., Solid, in 1881. Revised 1881; Solid and Drift 1892. Resurveyed on the six-inch scale by D.B. Smith, E.A. Francis and G.D. Gaunt in 1953-61; W. Anderson and A.W. Woodland, District Geologists.".