title: Édouard de Verneuil’s early geological maps of Spain (1850-1855)
abstract: We have studied the cartographic work undertaken by Édouard de Verneuil during his early surveys of spain, a country for which scarce data then existed. between 1850 and 1855 Verneuil drew three general geologic sketch maps, which he was continuously updating, to contribute to the maps of europe being prepared at the time by Murchison and dumont. he then embarked upon an engraved map of most of spain, which was never published but the existence of which is recorded in this paper. subsequent revi
journal: BOLETÍN GEOLÓGICO Y MINERO