Eisenhower memorial tunnel. Edwin C. Johnson bore Estimated cost of second bore rises to $135 million due to rising labor and materials costs. Post D 29, 1977 p.18 "Holed through" Ag 17 at 9I44 a.m. Post Ag 17, 1978 p.3,4 Past Ag 18, 1978 p.3 $1.5 million ceiling contract awarded to Stanley Structures of Denver. Post Ja 28, 1979 p.9G
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