Map record details

Map series Geological Survey of England and Wales 1:63,360/1:50,000 geological map series, New Series 
Sheet number 135 & Pt. 149 
Sheet title Harlech and part of Barmouth. 
Map type Solid 
Scale 1:50 000 
Publication year 1982 
Author statement Original geological survey published on Old Series one-inch sheets 59 NE and 75 SE in 1855. Eastern area surveyed in 1972-1974 by P.M. Allen and Audrey A.Jackson: 1972-1975 by B.P.Kokelaar and P.N. Dunkley, University College of Wales, Aberystwyth. Solid geology of western and central area mainly after C.A. Matley and T.S. Wilson (see below); drift surveyed byAudrey A. Jackson and P.M. Allen in 1974-1975. E.G. Smith and I.P. Stevenson , District Geologists. 
Published statement Published 1982. Provisional Solid Edition. Print code: 3000/82. 
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