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Keywords from Image Description:
AMHNA Profiles of fort Oostenburg. Artwork nl Profielen van fort Oostenburg nl Titel catalogus Leupe NA Plan d'Ostenbourg relatif au project de mr Reimer Notities verso Ostimbourg Profils Relatifs aux Projets de Feuille Drie doorsnedes van La Ligne Prfil sur la ligne CD Profil sur la ligne Profil sur la ligne Linksonder is de schaalverdeling