Map record details

Map series Geological Survey of England and Wales 1:63,360/1:50,000 geological map series, New Series 
Sheet number 249 
Sheet title Newport. 
Map type Solid 
Scale 1:50 000 
Publication year 1975 
Author statement Original geological survey on the one-inch scale by Sir H.T. De La Beche, Sir W.E. Logan, D.H. Williams, W.T. Aveline and T.E. James. Published on Old Series Sheet 36 before 1845; additions in 1864 by H.W. Bristow. Surveyed on the six-inch scale by A. Strahan and W. Gibson in 1891-93. Published on the one-inch scale, with drift, hand coloured in 1895. Colour-printed in Solid Edition in 1902 and Drift Edition in 1905. Partial revision to 1920. 2nd colour-printed Solid and Drift Editions in 1922. Resurveyed on the six-inch scale by H.C. Squirrell, R.A. Downing, G.D.E. Lewis, B. Kelk and A.W. Woodland in 1952-61; V.A. Eyles and F.B.A. Welch, District Geologists. 
Published statement 3rd colour-printed edition 1968. reprinted at 1:50 000 scale 1975. Print code: 1500/75. 
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