Geological Survey of Great Britain. Great Britain. Geological Survey of England and Wales. Sheet 156 solid and drift. Great Britain. Ordnance Survey of England. North Decimal Degree 52.733300. South Decimal Degree 52.5667. East Decimal Degree -0.7833. West Decimal Degree -1.2000. In upper left margin: Ordnance Survey of England. Relief shown by contour interval and spot heights. Transverse Mercator projection. National grid system. "Original geological survey on the one-inch scale, by H. H. Howell et al. Published on Sheets 63 N.E., S.E. & 64, Old Series, 1855-1872. Resurveyed on the six-inch scale by C. Fox-Strangeways. Published with drift 1903.".