A new sensing system for pre-excavation subsurface investigation for tunnels in rock masses /

Bibliographic Details
Corporate Authors:	United States. Federal Highway Administration. Office of Research, United States. Federal Highway Administration. Office of Development
Other Authors:	Rubin, L A.
Format:	Government Document Book
Language:	English
Published:	Washington : Dept. of Transportation, Federal Highway Administration, Offices of Research and Development ; 1976.
Series:	Report - Federal Highway Administration ; no. FHWA-RD-77-10 Report - Federal Highway Administration ; no. FHWA-RD-77-11
Subjects:	Tunneling. Underground construction. Engineering geology.

Description
Item Description:	Final reports; issued Aug. 1976. Prepared by ESNCO, Inc. under contract number DOT-FH-11-8602.
Physical Description:	2 volumes : illustrations ; 28 cm.
Bibliography:	Includes bibliographical references.