Geological Survey of Great Britain. Great Britain. Geological Survey of England and Wales. Sheet 85 drift. Great Britain. Ordnance Survey of England. North Decimal Degree 53.616700. South Decimal Degree 53.4500. East Decimal Degree -2.0500. West Decimal Degree -2.4833. In upper left margin: Ordnance Survey of Great Britain. Relief shown by contour interval and spot heights.Transverse Mercator projection. National grid system. "Original survey of surface deposits published on Old Series maps in 1874. Resurveyed in 1924-7 by L. H. Tonks, et al.".