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USA: The history of the Delta water tunnel project and why people are against it

    Tim Altman
    By Tim Altman Replies (1)

    A good introduction to the controversial tunnel.

    https://www.abc10.com/article/news/local/water-wasted-history-of-delta-water-tunnel-project/103-c108120f-3212-4732-9159-ae596a14316a

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    Safety and Environmental Sustainability in Underground Works

    Safety and Environmental Sustainability in Underground Works

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    cover tunnel photo by: Matt Brown from London, England / CC BY

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