Geological Survey of Great Britain. Great Britain. Geological Survey of England and Wales. Sheet 140 solid and drift. Great Britain. Ordnance Survey of England. North Decimal Degree 52.916700. South Decimal Degree 52.7500. East Decimal Degree -1.6333. West Decimal Degree -2.0500. 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 and revised on Old Series one-inch maps 62 N.W., 62 N.E., 72 S.W., 72. S.E., in 1852, 1855, 1859, and 1868. Re-surveyed on the six-inch scale by I.P. Stevenson et al.".