Great Britain. Geological Survey of England and Wales. Great Britain. Ordnance Survey of England. Sheet 335 solid and drift. North Decimal Degree 50.6333. South Decimal Degree 50.4667. East Decimal Degree -4.9500. West Decimal Degree -5.3500. In upper left corner: Ordnance Survey of England (Third Edition). 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 30, Old Series. Resurveyed on the six-inch scale by Clement Reid, F.R.S., J. J. H. Teall, M.A.D. sc., F.R.S., Dirfector.".