Geological Survey of Great Britain. Great Britain. Geological Survey of England and Wales. Sheet 64 solid and drift. Great Britain. Ordnance Survey of England. North Decimal Degree 54.100000. South Decimal Degree 53.9500. East Decimal Degree -0.2833. West Decimal Degree -0.7167. In upper left margin: Ordnance Survey of Great Britain. Relief shown by contour interval and spot heights. Transverse Mercator projection. National grid system.."Geological information published Dec. 1884. Reprinted 1954.".