Map record details

Map series Geological Survey of England and Wales 1:63,360 geological map series [Old Series] 
Sheet number 42NW 
Sheet title [West Brecknock and part of East Caermarthen, Brecknock.] 
Map type Solid 
Scale 1:63 360 
Publication year 1857 
Author statement Geologically surveyed by Sir H. de la Beche, W.T. Aveline, J. Rees & T.E. James in 1842. Additional Silurian lines surveyed in 1855 & 1856 by W.T. Aveline 
Published statement The geological information published in 1845. Additional Silurian lines… published May 1857 
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