Practical tunnel driving,
Richardson, Harold W.
Practical tunnel driving, by Harold W. Richardson ... and Robert S. Mayo ... - 1st ed. - New York, London, McGraw-Hill Book Company, inc., 1941. - xviii, 436 p. incl. front., illus., diagrs. 24 cm.
Table on lining-paper.
Tunneling.
MCE
624.193 / RIC
Practical tunnel driving, by Harold W. Richardson ... and Robert S. Mayo ... - 1st ed. - New York, London, McGraw-Hill Book Company, inc., 1941. - xviii, 436 p. incl. front., illus., diagrs. 24 cm.
Table on lining-paper.
Tunneling.
MCE
624.193 / RIC