http://www.gutenberg.org/ebooks/subject/39482.opds 2024-11-08T16:37:39Z Books about Tunnels -- Design and construction (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://www.gutenberg.org webmaster@gutenberg.org https://www.gutenberg.org/gutenberg/favicon.ico 25 1 2024-11-08T16:37:39Z https://sendtokindle.compellingsciencefiction.com/ebooks/71675.opds Transactions of the American Society of Civil Engineers, vol. LXXII, June, 1911 : Experiments on retaining walls and pressures on tunnels Wm. Cain