Great Britain. Geological Survey of England and Wales. Great Britain. Ordnance Survey of England. Sheet 350 drift. North Decimal Degree 50.4833. South Decimal Degree 50.3167. East Decimal Degree -3.3167. West Decimal Degree -3.7167. 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, C. B. F.R.S. Published in 1834-5. Re-surveyed on the six-inch scale, by W.A.E. Ussher. Published with Drift, June, 1898. Additions in 1912.".