Open AccessReview and Analysis: Successful Use of Soil Tunnels in Medieval and Modern Warfare and Smuggling
Author(s) -
Kenneth R. Olson,
David R. Speidel
Publication year - 2020
Publication title -
open journal of soil science
Language(s) - English
Resource type - Journals
eISSN - 2162-5379
pISSN - 2162-5360
DOI - 10.4236/ojss.2020.105010
Subject(s) - bedrock , mining engineering , gunpowder , engineering , geology , forensic engineering , geotechnical engineering , archaeology , history , geomorphology
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