Map record details
Map series | Geological Survey of England and Wales 1:63,360 geological map series [Old Series] |
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Sheet number | 42NW |
Sheet title | [West Brecknock and part of East Caermarthen, Brecknock.] |
Map type | Solid |
Scale | 1:63 360 |
Publication year | 1857 |
Variant | 1 |
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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