Great Britain. Geological Survey of England and Wales. Great Britain. Ordnance Survey of England. Sheet 355 drift. North Decimal Degree 50.3167. South Decimal Degree 50.1500. East Decimal Degree -3.7167. West Decimal Degree -4.1167. Relief shown by contour interval and spot heights.Transverse Mercator projection. National grid system. Depth is shown by contour interval. "Original Geological Survey, on the one-inch scale by Sir H. T De la Beche, F.R.S. Published on Sheet 24, Old Series. Resurveyed on the six-inch scale, by W.A.E. Ussher. Published, with Drift, June 1898. Additions, 1904".