Micro- and small-diameter tunneling /
Micro- and small-diameter tunneling /
U.S. National Committee on Tunneling Technology, Geotechnical Board, Commission on Engineering and Technical Systems.
- 1 online resource (31 pages) : illustrations
9780309317740
Tunneling.
Underground utility lines.
Electronic books.
TA805 / .M537 1989
624.193
9780309317740
Tunneling.
Underground utility lines.
Electronic books.
TA805 / .M537 1989
624.193