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Continue to ChatFlooding Halts Tunnel Excavations for Lake Mead Water Supply Intake https://geoprac.net/2010/07/flooding-halts-tunnel-excavations-for-lake-mead-water-supply-intake/
Flooding Halts Tunnel Excavations for Lake Mead Water Supply Intake https://geoprac.net/2010/07/flooding-halts-tunnel-excavations-for-lake-mead-water-supply-intake/