Introductory guide to trenchless technology
By: prepared by: John D. Trew ; edited by: J.H.L. Palmer.
Contributors: Palmer, J. H. L.; National Research Council Canada. Associate Committee on Geotechnical Research
Edition: Rev. --
Series: Technical memorandum -- no. 145; Technical memorandum (National Research Council of Canada. Associate Committee on Geotechnical Research) -- no. 145
Publisher: Associate Committee on Geotechnical Research, National Research Council Canada
Published: 1989
Place of publication: Ottawa
Language: eng
Number of pages: 68
Subjects: Tunneling; Underground utility lines
Notes: Cover title.

"NRCC 31200"--Cover.

"May 1989 (Revised June 20, 1989)."