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Rock tunnels recently completed in Chicago. Conference 7F : Irons, J; Metrop. San. District Gtr. Chicago, USA Westfall, D; City of Chicago, Ill. USA Proc. 1st N. Amer. Rapid Excav. Tunnelling Conf. Chicago, June 1972, AIME, V.2, 1972, P1063–1076


Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
114 KB
Volume
12
Category
Article
ISSN
0148-9062

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