Seismic analysis of tunnel boring machine signals at Kerckhoff Tunnel
By: by Roy J. Greenfield.
Contributors: Mine Safety and Health Administration.; United States. Army. Corps of Engineers.; U.S. Army Engineer Waterways Experiment Station.; Pennsylvania State University.
Series: Miscellaneous paper -- GL-83-19.; Miscellaneous paper (U.S. Army Engineer Waterways Experiment Station) -- GL-83-19.
Publisher: U.S. Army Engineer Waterways Experiment Station; available from National Technical Information Service
Published: 1983
Place of publication: Vicksburg, Miss; [Springfield, Va
Language: eng
Format: Microform
Number of pages: 69
Subjects: Tunnel detection.; Tunneling -- Equipment and supplies.; Kerckhoff Tunnel (Calif.)
Notes: Cover title.

"August 1983."

"Prepared for Office, Chief of Engineers, U.S. Army."

Bibliography: p. 68.

Microfiche. Washington, D.C. : U.S. G.P.O., 1983. 2 microfiches.