Geological Survey of Great Britain. Great Britain. Geological Survey of England and Wales. Sheet 108 solid. Great Britain. Ordnance Survey of England. North Decimal Degree 53.266700. South Decimal Degree 53.1000. East Decimal Degree -2.9167. West Decimal Degree -3.3500. 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 one-inch maps in 1850, 1855 & 1856 with revision on the six-inch maps in 1886, 1892. & 1895. Re-surveyed in part on the six-inch scale between 1910 & 1913 by G. W. Lamplugh et al.".