Map record details

Map series Geological Survey of England and Wales 1:63,360/1:50,000 geological map series, New Series 
Sheet number 119 
Sheet title Snowdon. 
Map type Solid 
Scale 1:50 000 
Publication year 1997 
Author statement Original geological survey by A.C. Ramsey, W.T. Aveline and J.B. Jukes; published on Old Series 1:63 360 scale sheets 75 NW, NE, SW and SE in 1855. Resurveyed at 1:10 560 and 1:10 000 scales by M. Smith, M.F. Howells, S.D.G. Campbell, A.J. Reedman and B.D.T. Lynas and smaller areas by R.A.B. Bazley 1982-1987. Incorporating earlier mapping by E.H. Francis, B.E. Leveridge, C.D.R. Evans and B.C. Webb, 1968-1974. Cambrian strata along the southern margin compiled in part from Matley and Wilson (1946). E.H. Francis, E.G. Smith, I.P. Stevenson and R.A.B. Bazley, District Geologists. 
Published statement Published 1997. Electrostatic Colour Plot. [No print code]. 
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