Great Britain. Ordnance Survey of England. (Third edition) Great Britain. Geological Survey of England and Wales. Sheet 287 drift. Geological Survey of Great Britain. North Decimal Degree 51.316700. South Decimal Degree 51.1500. East Decimal Degree 0.4000. West Decimal Degree 0.0000. In upper left margin: Ordnance Survey of England (Third edition). Relief shown by contour interval and spot heights. Transverse Mercator projection. National grid system. "Original geological survey (solid) on the one-inch scale published on Sheet 6, Old Series, 1864. Drift edition published on Sheet 6, 1886, revised in part 1889. Re-surveyed on the six-inch scale, a small tract on the north by H. Dewey, 1913-14 and C. N. Bromehead, 1921; the remainder by S. Buchan et al,1930-36.".