Detection of tunnels by transient electromagnetic subsurface imaging

Open-File Report 88-218
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Publication type Report
Publication Subtype USGS Numbered Series
Title Detection of tunnels by transient electromagnetic subsurface imaging
Series title Open-File Report
Series number 88-218
DOI 10.3133/ofr88218
Edition -
Year Published 1988
Language ENGLISH
Publisher U.S. Geological Survey,
Description 57 p. :ill. (some col.) ;28 cm.