Issue Date: July/August 2008

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GEOSTRATA, 2008, July/August, 18-23     Figure 1.  Robbins TBM at start of tailrace tunnel drive (right). Worries about energy consumption, affordable power, urban infrastructure security, and deteriorating infrastructure dominate the news. These issues are exacerbated by the fact that the financial and technical resources needed to meet these challenges must come from an aging […]

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Categorized as: Tunneling