Geological Survey of Great Britain. Great Britain. Geological Survey of England and Wales. Sheet 286 drift. Great Britain. Ordnance Survey of England. North Decimal Degree 51.333300. South Decimal Degree 51.1500. East Decimal Degree -0.0167. West Decimal Degree -0.4167. In upper left margin: Ordnance Survey of Great Britain. 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, and Sheet 8, Old Series, 1862, 1863; Drift editions, Sheet 6, 1886, revised in part 1889, and Sheet 8, 1887. Re-surveyed on the six-inch scale, a small tract on the north by H. Dewey in 1911; the remainder by H. G. Dines et al. 1928-1930.".
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