Issue Date: July/August 2005


GEOSTRATA, 2005, July/August, 27-30   Tunnels have always been an effective means of getting public access into the remote areas of mountainous parks. Several tunnels were constructed during the original national park road-building era in the early 1900s. Over the years, some of these tunnels became bottlenecks and safety hazards because the number and size […]

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Categorized as: Geotechnics