Great Britain. Geological Survey of England and Wales. Great Britain. Ordnance Survey of England. Sheet 357,360 drift. North Decimal Degree 50.0000. South Decimal Degree 49.8333. East Decimal Degree -6.1333. West Decimal Degree -6.5167. Relief shown by contour interval and spot heights.Transverse Mercator projection. National grid system. Depth is shown by contour interval. "Geological Survey on the six-inch scale by G. Barrow. Published 1906.".