Geological Survey of Great Britain. Great Britain. Geological Survey of England and Wales. Sheet 142 drift. Great Britain. Ordnance Survey of England. North Decimal Degree 52.900000. South Decimal Degree 52.7333. East Decimal Degree -0.7667. West Decimal Degree -1.2000. 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. H. Howell et al. Published on Sheets 71 S.E. (1855, additions 1879), 70 (1886), 63 N.E. (1855, additions 1873), and 64 (1872), Old Series. Resurveyed on the six-inch scale, S.W. part by C. Fox-Strangways in 1900, and remained in 1906 by W. Gibson, et al. Published with drift, 1909.".