Geotechnical Engineering Journal of the SEAGS & AGSSEA Volume 11-20: 2nd Decade (1980 – 1989) Contents & Synopsis Volume 11 – 1980 Volume 11 No. 1 – June 1980 Volume 11 No. 2 – December 1980 Volume 12 – 1981 Volume 12 No. 1 – June 1981 Volume 12 No. 2 – December 1981 Volume 13 – 1982 Volume 13 No. 1 – June 1982 Volume 13 No. 2 – December 1982 Volume 14 – 1983 Volume 14 No. 1 – June 1983 Volume 14 No. 2 – December 1983 Volume 15 – 1984 Volume 15 No. 1 – June 1984 Volume 15 No. 2 – December 1984 Volume 16 – 1985 Volume 16 No. 1 – June 1985 Volume 16 No. 2 – December 1985 Volume 17 – 1986 Volume 17 No. 1 – June 1986 Volume 17 No. 2 – December 1986 Volume 18 – 1987 Volume 18 No. 1 – June 1987 Volume 18 No. 2 – December 1987 Volume 19 – 1988 Volume 19 No. 1 – June 1988 Volume 19 No. 2 – December 1988 Volume 20 – 1989 Volume 20 No. 1 – June 1989 Volume 20 No. 2 – December 1989