Entrance to the Crown Prince's Observatory
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Notes on this stereoview
x-ref https://www.warhistoryonline.com/guest-bloggers/german-periscope-montfaucon.html ; see also https://www.abmc.gov/MontfauconImage Id: 2526 Contributor: The Jordan/Ference Collection Theatre: Western Front Subject: The Front Line Location: Montfaucon, Meuse, France Regiment: Unknown Service Arm: Unknown Battle: Unknown Date: September 1918 Combatants: Unknown Publisher: W. E. Troutman Source: American Directory: 1-100