Map record details

Map series Geological Survey of England and Wales 1:63,360/1:50,000 geological map series, New Series 
Sheet number 118 
Sheet title Nefyn and part of Caernarfon. 
Map type Bedrock and Superficial 
Scale 1:50 000 
Publication year 2015 
Author statement Original geological survey at 1:63 360 scale by W T Aveline, A C Ramsay, A R C Selwyn and W W Smyth around 1851-1852. Published as parts of Old Series sheets 75, 76 and 78. Partly surveyed on the 1:10 000 scale by W Gibbons, D C McCarroll and T P Young between 1988 and 1991. M F Howells, B E Leveridge, B D T Lynas and R J Tappin between 1977 and 1979, and S D G Campbell, C J N Fletcher, M Smith and B C Webb between 1980 and 1987. Selective survey at the 1: 20 000 scale by C E Burt, T R Bradwell J R Davies, M R Gillespie, A B Leslie, D I Schofield and P R Wilby in 2008-2009. Landslide data provided by C Dashwood and A D Gibson. Survey data for Anglesey not included in this edition. D I Schofield, Chief Geologist Wales. 
Published statement Published 2015. Print code: 800/2015. 
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