Geological Survey of Great Britain. Great Britain. Geological Survey of England and Wales. Sheet 75 solid. Great Britain. Ordnance Survey of England. North Decimal Degree 53.783300. South Decimal Degree 53.6167. East Decimal Degree -2.4833. West Decimal Degree -2.9167. 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 1860, 1868, 1870, 1871, 1874, and 1883.".