Geological Survey of Great Britain. Great Britain. Geological Survey of England and Wales. Sheet 97 solid. Great Britain. Ordnance Survey of England. (Sixth edition) North Decimal Degree 53.433300. South Decimal Degree 53.2667. East Decimal Degree -2.4833. West Decimal Degree -2.9167. In upper left margin: Ordnance Survey of Great Britain (Sixth edition). Relief shown by contour interval and spot heights.Transverse Mercator projection. National grid system. "Original geological survey by E. Hull and A. C. Ramsay published in 1839. The solid geology revised and drift lines inserted by C. E. De Rance and Strahan and published in 1880. Re-survey by W. B. Wright et al. 1930-1938. Addition by D. A. Wray and F. M. Trotter, District Geologist, 1940-1953.".