Great Britain. Ordnance Survey of England. Great Britain. Geological Survey of England and Wales. Sheet 233 solid and drift. Geological Survey of Great Britain. North Decimal Degree 51.866700. South Decimal Degree 51.7000. East Decimal Degree -2.4833. West Decimal Degree -2.9167. In upper left margin: Ordnance Survey of Great Britain. Relief shown by contour interval and spot heights. Transverse Mercator projection. National grid system. "Original one-inch Geological Survey published on Old Series Sheets 35, 43 SW and 43 SE in 1845-72. Survey on the six-inch scale in 1933-37 by F. M. Trotter et al. Published 1960.".