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Tunneling
Tunneling
Topic
sh85138670
·
TF230-TF238
,
TN285
,
UG340
·
id.loc.gov
Broader Terms (5)
Earthwork
Engineering
Mining engineering
Rock excavation
Underground construction
Related Terms (2)
Excavation
Tunnels--Design and construction
Hierarchy
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Narrower Terms (5)
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Blasting
Ice tunneling
▶
Stoping (Mining)
▶
Trenchless construction
Tunnel lining
