Great Britain. Ordnance Survey of England. (Third edition) Great Britain. Geological Survey of England and Wales. Sheet 17 drift. Geological Survey of Great Britain. North Decimal Degree 55.000000. South Decimal Degree 54.8333. East Decimal Degree -2.9333. West Decimal Degree -3.3667. 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 survey by T. V. Holmes and R. Russell, published in 1888. Re-surveyed by E. E. L. Dixon, S.E. Hollingworth, J. Maden L.H. Tonks, and F. M. Trotter, Bernard Smith, District Geologist. Published 1925, J.S. Flett, D.Sc., LL.D., F.R.S., Director. Reprinted 1949.".