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 1:50 000 
Publication year 1977 
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. Reconstituted from the one-inch scale with minor amendments and reprinted on to 2nd Series 1:50 000 base, 1977 
Published statement Republished with minor amend ments 1951. Reconstituted from the one-inch scale with minor amendments and reprinted on to 2nd Series 1:50 000 base, 1977. Print code: 3600/77. 
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