Avril fres.1 map on 2 sheets : dissected and mounted on linen; sheets 53 x 86 and 80 x 86 cmgravé sur pierre par les F.res Avril ; Scale 1:400,000 ; Map originally folded ; Map most likely published by the Dépôt de la guerre (France) ; Label pasted on back of both sheets: 'Imprimerie et Librarie Dubos Frères, a Alger, A. Dubos, successeur' ; Includes hand-drawn in colored ink addition on south sheet and in pencil on verso of north sheet ; Relief shown by hachures and spot heights ; Paris : Publisher not identified9942189814202441ark:/81985/n2kw59k2tPublisher not identifiedPublicAlgérie : Province d'Alger.MapsAlgeria--Algiers RegionAlgeria1852Northwestern University