Geological Survey of Great Britain. Great Britain. Geological Survey of England and Wales. Sheet 207 drift. Great Britain. Ordnance Survey of England. North Decimal Degree 52.150000. South Decimal Degree 51.9833. East Decimal Degree 1.3000. West Decimal Degree 0.8833. In upper left margin: Ordnance Survey of Great Britain. Relief shown by contour interval and spot heights. Transverse Mercator projection. National grid system. "Geological survey by F. J. Bennett et al. Published on the Old Series sheets 48 and 50 in 1881, 1882, and 1883. Transferred to the New Series map with minor corrections and published 1927. Northern boundares of Eocene formations beneath Drift inserted 1947.".