| Date Note | Date of base map, date of reference |
| Description | Geological colouring, with key, over France and Germany and part of Spain, by George Bellas Greenough, [1839 or after], on base map 'Carte Physique, Routiere et Politique d'Europe, indiquant les Limites des Etats, par Adrien Hubert Brue', published by Charles Picquet, 1838. Greenough no.2561. Scale-1:4,000,000. Dissected on cloth
Note: only SW sheet is coloured, SE, NE & NW sheets are uncoloured. |
| Administrative History | The label indicates the colouring is based on Heinrich von Dechen's 'Geognostische Übersichts-karte von Deutschland, Frankreich, England und den angrenzenden Laendern. [Geognostic overview map of Germany, France, England and the neighbouring countries], 1839. |