Great Britain. Ordnance Survey of England. Great Britain. Geological Survey of England and Wales. Sheet 298 drift. Geological Survey of Great Britain. North Decimal Degree 51.183300. South Decimal Degree 51.0167. East Decimal Degree -1.6667. West Decimal Degree -2.0833. 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. W. Bristow, F. R. S. Published on Sheet 15, Old Series 1856, and on Sheet 14, 1857. Resurveyed, on the six-inch scale, by Clement Ried et al. Published with Drift, 1903.".