Eisenhower memorial tunnel. bore Edwin C. Johnson Delay in construction o second bore until full scale environmental impact can be approved, may cost state $1.2 million. RUST Ap 24, 1974 p.5,26 U.S. Department of Transportation official questions need for second bore. Post 0 20, 1974 p.58 Second bore construction rescheduled until June. Post N 4, 1974 p.2 First bore cost was $116.1 million - second bore awaits approval - costs listed. Post N 14, 1974 p.39
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