TUTG » Catalog of tunnels https://tutg.or.th Thailand Undergroung & Tunnelling Group Thu, 21 Nov 2024 13:51:20 +0000 en-US hourly 1 https://wordpress.org/?v=4.2.38 Catalog of tunnels https://tutg.or.th/catalog-of-tunnels/ https://tutg.or.th/catalog-of-tunnels/#comments Wed, 27 Aug 2014 16:20:33 +0000 http://tutg.or.th/?p=514 Set up in 1978, the group has completed its work in 1991.

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Source: http://www.ita-aites.org/en/wg-committees/working-groups/205-ita-inactive-working-groups/working-group-8-catalog-of-tunnels

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