Gigantic underground forts guard France

Title (Dublin Core): Gigantic underground forts guard France
Subject (Dublin Core): en Technology; en Land Ironclads
Article Title and/or Image Caption (Dublin Core): Title: Gigantic underground forts guard France; Subitle: Bomb and gas-proof caverns dot frontier
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): 1934
Date Issued (Dublin Core): 1934-02
Is Part Of (Dublin Core): Popular Mechanics, v. 61, n. 2, 1934
pages (Bibliographic Ontology): 250-251
Rights (Dublin Core): Public domain
Source (Dublin Core): Google Books
Archived by (Dublin Core): Alessandro Barcaro; Marco Bortolami (editor)
Spatial Coverage (Dublin Core): Maginot Line