tag:digital.library.illinois.edu,2005:/items/f071ffc0-17c7-0137-6b56-02d0d7bfd6e4-fCroquis schématique de la frontière russo-austro-allemande2024-01-29T17:37:32Ztag:digital.library.illinois.edu,2005:Item/8689852022-04-20T16:55:23Z2024-01-29T17:37:32ZCroquis schématique de la frontière russo-austro-allemandeRelief shown by shading and spot heights.University of Illinois at Urbana-Champaign Library