Map record details

Map series Geological Survey of Ireland 1:63,360 geological map drift series 
Sheet number Parts of Sheets 11,12,17,18 
Sheet title Londonderry District. (Drift Series). Parts of Sheets 11,12,17,18. 
Map type Drift 
Scale 1:63 360 
Publication year 1908 
Author statement Revision, with Drift Survey in 1905-6 by A. McHenry, J.R. Kilroe and H.J. Seymour and S.B. Wilkinson, Senior Geologist. 
Published statement Original Geological Survey published 1884-90. Published in color by the Director General, Ordnance Survey at the Ordnance Survey Office, Southampton 1908. 
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