For purposes of the buried depths of the

6.465681 0.154663 4% Est. 1997 1.659670 0.602529 4% Est. 2003 9.129219 0.109538 4% Est. 2003 6.455311 0.154911 4% Est. 1990 3.475855 0.287699 4% Est. 1989 9.130586 0.109522 3.8744% 1988 16.616916 0.060180 3.3218% 1987 13.811889 0.072401 3.1640% 1986 15.378148 0.065027 2.6144% 1985 13.524532 0.073940 2.9715% 1984 1.600307 0.624880 3.6576% 1983 7.931163 0.126085 3.8998% 1982 0.458314 2.181908 6.3831% 1981 0.939999 1.063831 9.6843% 1980 12.243277 0.081677 9.0330% 1979 10.916145 0.091607 8.8650% 1978 6.333208 0.157898 7.2813% 1977 0.856225 1.167918 6.6558% 1976 1.168521 0.855783 6.4073% 1975 8.013451 0.124790 9.8159% 1974 1.776294 0.562970 9.0909% 1973 4.342006 0.230308 6.4509% 1972 5.470634 0.182794 4.7304% 1971 0.614957 1.626131 5.7132% 1970 1.787248 0.559520 5.5272% 1969 0.280814 3.561082 5.5714% 1968 0.339945 2.941652 5.0148% 1967 0.568936 1.757668 2.5719% 1966 2.692297 0.371430 3.5485% 1965 4.630293 0.215969 2.7360% 1964 4.112389 0.243168 1.5423% 1963 2.117665 0.472218 1.5697% 1962 0.146201 6.839919 2.2421% 1961 1.186323 0.842941 0.9709% 1960 0.209631 4.770281 1.6442% 1959 0.190681 5.244367 2.3579% 1958 0.121009 8.263828 2.0623% 1957 0.247868 4.034406 3.5571% 1956 2.303286 0.434162 3.3098% 1955 3.200015 0.312499 3.4226% 1954

hermetic