Geological Survey of Great Britain. Great Britain. Geological Survey of England and Wales. Sheet 250/251/264/265/280/281 solid and drift. Great Britain. Ordnance Survey of England. North Decimal Degree 51.633300. South Decimal Degree 51.2333. East Decimal Degree -2.3833. West Decimal Degree -002.383333. In upper left margin: Ordnance Survey of Great Britain. Relief shown by contour interval and spot heights. Transverse Mercator projection. National grid system. Depth shown by contour intervals. "Original geological survey published published on Old Series Sheets 19 and 35. Survey on the six-inch scale in 1938-9 and 1943-52 by F. B. A. Welch et al.".
