Map in wash color showing the geological provinces of France and eastward. Historical analysis of the map and its importance can be found in this paper: https://hal.science/hal-02932788/document (Isabelle Laboulais. From sketches to publication : the genesis of the Essai d’une carte géologique by Omalius d’Halloy and Coquebert de Montbret (1810-1823). Earth Sciences History. Journal of the History of the Earth Sciences Society, 2007, 26 (1), pp.31-53. hal-02932788)

Map title

Essai d’une Carte Géologique de la France, des Pays-Bas et de Quelques Contrées Voisines

Publisher

d’Halloy, J.J. d’Omalius; le Baron Coquebert de Montbret

Map condition

Some light image transfer, mostly visible as text in the Atlantic and also transfer of red pigment along upper centerfold. Notation of date “1822” in ink in margin.