Geological Survey of Great Britain. Great Britain. Geological Survey of England and Wales. Sheet 290 solid and drift. Great Britain. Ordnance Survey of England. North Decimal Degree 51.283300. South Decimal Degree 51.1000. East Decimal Degree 1.6500. West Decimal Degree 1.2333. In upper left margin: Ordnance Survey of Great Britain. Relief shown by contour interval and spot heights. Transverse Mercator projection. National grid system. Depth shown by contour intervals. "Original geological survey on the one-inch scale by W. Whitaker, published on Old Series Sheet 3 in 1868 (new edition showing post-Tertiary deposits in 1875. Revised in 1889); additions by H. G. Dines and F. H. Edmunds, transferred to New Series Sheet 290, published in 1928. Reprinted with national Grid in 1950. Resurveyed on the six-inch scale by E. R. Shephard-Thorn, et al in 1951, 1942, and 1960-61." In lower right margin: "Based on the seventh series one-inch map, part of sheet 173 dated 1960.".