Geological Survey of Great Britain. Great Britain. Geological Survey of England and Wales. Sheet 70 drift. Great Britain. Ordnance Survey of England. North Decimal Degree 53.950000. South Decimal Degree 53.7833. East Decimal Degree -1.1667. 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."Published on one-inch quarter sheet 93 S.W. (old series) in 1870 and 1873. Re-surveyed in 1936 to 1938 by Wilfrid Edwards, G. H. Mitchell, and T. H. Whitehead (District Geologist).".