A new sensing system for pre-excavation subsurface investigation for tunnels in rock masses
By: Rubin, L. A. ...[et al.].
Contributors: Rubin, L. A.; United States. Federal Highway Administration. Office of Research.; United States. Federal Highway Administration. Office of Development.
Series: Report - Federal Highway Administration ; no. FHWA-RD-77-10; Report - Federal Highway Administration ; no. FHWA-RD-77-11
Publisher: Dept. of Transportation, Federal Highway Administration, Offices of Research and Development; for sale by the National Technical Information Service
Published: 1976
Place of publication: Washington; Springfield, Va
Language: eng
Subjects: Tunneling.; Underground construction.; Engineering geology.
Notes: Final reports; issued Aug. 1976.

Prepared by ESNCO, Inc. under contract no. DOT-FH-11-8602.

Includes bibliographical references.
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