Tunnel design by rock mass classifications /

Bibliographic Details
Main Author:	Bieniawski, Z. T.
Corporate Authors:	United States. Army. Corps of Engineers, Geotechnical Laboratory (U.S.), Pennsylvania State University. Department of Mineral Engineering
Format:	Government Document Book
Language:	English
Published:	Vicksburg, Miss. : The Station, [1979]
Series:	Technical report (U.S. Army Engineer Waterways Experiment Station) ; GL-79-19.
Subjects:	Tunnels > Design and construction. Rocks > Classification. Engineering geology.

Evans: US Documents (Annex 5th floor)