French subterranean headquarters

Title (Dublin Core): French subterranean headquarters
Subject (Dublin Core): en Technology; en Trenches and fortifications
Article Title and/or Image Caption (Dublin Core): Caption: "Well constructed subterrean headquarters of French officers at the front".; Article title: Extensive subterranean works of French fighting forces in Western battle zone
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): World War I
Date Issued (Dublin Core): 1916-06
Is Part Of (Dublin Core): Popular Mechanics, v. 25, n. 6, 1916
pages (Bibliographic Ontology): 850
Rights (Dublin Core): Public domain (Google digitized)
Source (Dublin Core): Google Books
Archived by (Dublin Core): Iacopo Tonon; Davide Donà (supervisor)
Spatial Coverage (Dublin Core): French Third Republic