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People who like reply on The city of Dallas chooses a "dual-diameter" Robbins TBM for Mill Creek Drainage Relief Tunnel

    Keith Keloe
    Keith Keloe on The city of Dallas chooses a "dual-diameter" Robbins TBM for Mill Creek Drainage Relief Tunnel (): http://www.dallascitynews.net/worlds-largest-hard-rock-water-tunnel-boring-machi...