Geological Survey of Great Britain. Great Britain. Geological Survey of England and Wales. Sheet 143 solid. Great Britain. Ordnance Survey of England. North Decimal Degree 52.900000. South Decimal Degree 52.7333. East Decimal Degree -0.3333. West Decimal Degree -0.7667. Relief shown by contour interval and spot heights.Transverse Mercator projection. National grid system. "Original geological survey on the one-inch scale by W. H. Holloway, et al on Old Series Sheet 70, Sold and Drift edition published 1886, and on Old Series Sheet 64, Sold edition published 1872, Drift edition published 1877. Resurveyed on the six-inch scale between 1939 and 1954 by F. B. A. Welch et al.".