Great Britain. Ordnance Survey of England. Great Britain. Geological Survey of England and Wales. Sheet 217 drift. Geological Survey of Great Britain. North Decimal Degree 52.050000. South Decimal Degree 51.8833. East Decimal Degree -1.6500. West Decimal Degree -2.0667. In upper left corner: Ordnance Survey of England (Third edition). Relief shown by contour interval and spot heights. Transverse Mercator projection. National grid system. "Original geological survey on the one-inchs scale published on Sheet 44 Old Series in 1856 and 1879. The Chipping Norton Limestone added, and other beds in part revised on the six-inch scale by H. G. Dines in 1927 with assitance of field notes supplied by L. Richardson. Drift surveyed on the six-inch scale by H. G. Dines in 1927.".