Map record details

Map series Geological Survey of England and Wales 1:63,360/1:50,000 geological map series, New Series 
Sheet number 271 
Sheet title Dartford. 
Map type Drift 
Scale 1:63 360 
Publication year 1971 
Author statement Original geological survey on the one-inch scale published on Sheets 1 and 6, Old Series, 1864, 1868. Drift added 1864 to 1889. Re-surveyed on the six-inch scale; Essex by T.I. Pocock, 1902 and H.G. Dines, 1921, the remainder by Henry Dewey and C.E.N. Bromehead, 1913, 1914, 1920 and 1921. Published 1924. J.S. Flett, D.Sc., L.L.D., F.R.S., Director. Republished with minor amendments, 1951. W. F. P. McLintock, D.Sc., Director. Reprinted 1971, with revisions on the north-east by R. J. Wyatt 1966-70, and minor amendments. 
Published statement Published 1924. Republished with minor amendments 1951. Reprinted 1971 with revisions on the north east. Print code: 2000/71. 
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