Map record details

Map series Geological Survey of England and Wales 1:63,360/1:50,000 geological map series, New Series 
Sheet number 256 
Sheet title North London. 
Map type Solid and Drift 
Scale 1:50 000 
Publication year 1993 
Author statement Original geological survey on the one-inch scale by H. Baueman, W. Whitaker, T.R. Polwhele, R. Trench, W.H. Penning, H.W. Bristow, H.B. Woodward, F.J. Bennett, W.A.E. Ussher, J.H. Blake and C.E. Hawkins. Published as Old Series Sheets 1 and 7, 1861-1868. Drift added in 1871-1876. Surveyed on the 1:10 560 scale by C.E.N. Bromehead, J.A. Howe, T.I. Pocock, A.C.G. Cameron, A.H. Noble, R.W. Pocock, H.G. Dines and T. Robertson, 1889-1922. Minor amendments by S. Buchan in 1935 and S.W. Hester in 1949. Northeast margin resurveyed by R.A. Ellison in 1977, and central London revised by F.G. Berry in 1979-1982. Reconstituted on to the 1:10 000 scale with amendments by P.J. Strange and S.J. Booth in 1991-1992. Made ground compiled by R.T. Mogdridge in 1992. Interpretation of deep geological section by T.C. Pharoah and P.J. Strange. This edition compiled by P.J. Strange, 1992. R.A.B. Bazley, Regional Geologist. 
Published statement Published 1993 [ Copyright 1994]. Provisional series.. 
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