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1tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
2Deep foundation — A deep foundation installation for a bridge in Napa, California, United States …
3Mandalay Bay — Resort and Casino Address 3950 Las Vegas Boulevard South Las Vegas, Nevada 89119 Opening date March 2, 1999 …