Geological Survey of Great Britain. Great Britain. Geological Survey of England and Wales. Sheet 87 solid with drift. Great Britain. Ordnance Survey of England. North Decimal Degree 53.600000. South Decimal Degree 53.4333. East Decimal Degree -1.1833. West Decimal Degree -1.6000. In upper left margin: Ordnance Survey of Great Britain. Relief shown by contour interval and spot heights.Transverse Mercator projection. National grid system. "Original geological survey published on Old Series maps in 1863, 1876 and 1878. Re-surveyed 1929-1933 by G. H. Mitchell et al.".