Map record details

Map series Geological Survey of England and Wales 1:63,360/1:50,000 geological map series, New Series 
Sheet number 221 
Sheet title Hitchin. 
Map type Solid and Drift 
Scale 1:50 000 
Publication year 1995 
Author statement Original geological survey at 1 63 360 scale by T. Adams, F.J. Bennet, W.H. Dalton, A.H. Green, T. McK. Hughes, W.H. Penning, W. Tiddeman, W. Topley, and W. Whitaker. Published as Old Series Sheets 46 NE, 46 SE and 47 in 1867, 1869 and 1881 . Some revision by A.C.G. Cameron and A.J. Jukes-Browne incorporated in later editions of 1884, 1891 and 1898. Partial survey at 1:10 560 scale by A.W. Pocock and R.L. Sherlock 1912-14, 1920 and 1930-31. Surveyed at 1:10 000 scale by P.M. Hopson, E.R. Shephard-Thorn, B.S.P. Moorlock, D.T. Aldiss, A. Smith, J.P. Colleran, R.D. Lake, A. Horton and G. Richardson, 1982-85 and 1987-92. W.A. Read, R.G. Thurrell and R.A. Bazley, Regional Geologists. Interpretation of sub-Mesozoic geology by J.M. Allsop, 1993. 
Published statement Published 1995. Print code: 95/1800. 
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© Crown copyright and database rights 1995 Ordnance Survey 100021290.

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