Great Britain. Ordnance Survey of England. Great Britain. Geological Survey of England and Wales. Sheet 249 drift. Geological Survey of Great Britain. North Decimal Degree 51.700000. South Decimal Degree 51.5333. East Decimal Degree -2.9000. West Decimal Degree -3.3333. 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 on the one-inch scale by Sir. H. T. De la Beche et al. Published on Old Series Sheet 36 before 1845; additions in 1864 by H. W. Bristow. Surveyed on the six-inch scale by A. Strahan and W. Gibson in 1891-93. Published on the one-inch scale, with drift, hand coloured in 1895. Colour-printed in Solid Edition in 1902 and Drift Edition in 1905. Partial revision to 1920. 2nd colour-printed Solid and Drift Editions 1922. Resurveyed on the six-inch scale by H. C. Squirrell, et al. in 1952-61.".
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