Editore: US Dept. of the Interior/Bureau of Reclamation/Engineering and Research Center/Div.of General Research, Denver, Colorado, 1970
Da: Xochi's Bookstore & Gallery, Truth or consequences, NM, U.S.A.
Paper Back. Condizione: Near Fine. No Jacket. 27pp.; SC white w/blk.staple-bound (no title on spine); PON ft.cover; clean,tight pgs. Tunnel instrument program to measure rock movement, loads on supports and linings, relative movement between rock & lining, and stresses in supports & lining. Pre-print of a paper prepared for presentation at the 12th Symposium on Rock Mechanics, University of Missouri-Roll, Roll, Missouri, November 16-18, 1970. illus.,graphs&charts.