Table 17J. Data for figure 18, measured compaction of subsurface material at Seabrook extensometer. Cumultive compaction for Seabrook extensometer LJ-65-32-625 USGS site number: 293352095011601 Measurement date "Compaction,in feet" 7/24/1973 0.002 8/13/1973 0.014 8/17/1973 0.016 8/31/1973 0.027 9/13/1973 0.035 10/11/1973 0.057 11/8/1973 0.073 11/12/1973 0.077 12/6/1973 0.092 1/3/1974 0.107 2/4/1974 0.123 3/7/1974 0.139 4/4/1974 0.157 5/3/1974 0.174 6/3/1974 0.197 7/1/1974 0.229 7/30/1974 0.255 8/30/1974 0.269 9/30/1974 0.289 10/30/1974 0.312 11/27/1974 0.329 12/27/1974 0.344 1/24/1975 0.356 2/21/1975 0.366 3/24/1975 0.384 4/24/1975 0.402 5/23/1975 0.418 6/23/1975 0.439 7/22/1975 0.463 8/20/1975 0.477 9/19/1975 0.498 10/20/1975 0.53 10/25/1975 0.531 10/26/1975 0.526 11/20/1975 0.541 12/22/1975 0.557 1/21/1976 0.574 2/20/1976 0.592 3/22/1976 0.61 4/21/1976 0.629 5/21/1976 0.649 6/21/1976 0.668 7/19/1976 0.684 8/17/1976 0.71 9/15/1976 0.738 10/12/1976 0.745 11/9/1976 0.757 12/7/1976 0.766 1/4/1977 0.775 2/1/1977 0.787 3/1/1977 0.802 3/29/1977 0.81 4/26/1977 0.816 5/24/1977 0.825 6/21/1977 0.847 7/19/1977 0.87 8/16/1977 0.888 9/14/1977 0.887 10/11/1977 0.899 11/7/1977 0.907 12/6/1977 0.904 1/3/1978 0.905 2/1/1978 0.899 2/28/1978 0.9 3/28/1978 0.908 4/25/1978 0.916 5/23/1978 0.946 6/20/1978 0.961 7/19/1978 1.001 8/15/1978 1.013 9/13/1978 1.012 10/10/1978 1.028 11/7/1978 1.045 12/5/1978 1.035 1/3/1979 1.019 1/30/1979 0.997 2/27/1979 0.987 3/27/1979 0.986 4/23/1979 0.985 5/22/1979 0.992 6/19/1979 1.002 7/17/1979 1.026 7/18/1979 1.024 7/25/1979 1.025 7/27/1979 1.019 8/14/1979 1.031 9/1/1979 1.04 9/12/1979 1.036 9/17/1979 1.038 9/20/1979 1.033 10/9/1979 1.043 10/30/1979 1.059 10/31/1979 1.055 11/7/1979 1.056 12/4/1979 1.059 1/2/1980 1.058 2/5/1980 1.049 3/4/1980 1.049 4/1/1980 1.05 4/29/1980 1.056 5/27/1980 1.06 6/24/1980 1.088 7/22/1980 1.133 8/19/1980 1.147 9/16/1980 1.165 10/14/1980 1.166 11/10/1980 1.172 12/9/1980 1.173 1/6/1981 1.171 1/19/1981 1.17 2/3/1981 1.16 3/4/1981 1.151 3/31/1981 1.151 4/27/1981 1.158 5/26/1981 1.172 6/23/1981 1.172 7/21/1981 1.189 8/18/1981 1.236 9/15/1981 1.232 10/14/1981 1.239 11/10/1981 1.236 12/8/1981 1.235 1/6/1982 1.22 2/3/1982 1.208 3/2/1982 1.194 3/31/1982 1.188 4/27/1982 1.187 5/25/1982 1.188 6/22/1982 1.213 7/20/1982 1.232 8/17/1982 1.254 9/14/1982 1.283 10/12/1982 1.287 11/9/1982 1.285 12/7/1982 1.261 1/4/1983 1.247 2/1/1983 1.235 3/2/1983 1.226 3/29/1983 1.226 4/26/1983 1.23 5/26/1983 1.235 6/21/1983 1.253 7/19/1983 1.258 8/16/1983 1.266 9/14/1983 1.261 10/11/1983 1.263 11/8/1983 1.265 12/6/1983 1.264 1/4/1984 1.261 1/31/1984 1.256 2/28/1984 1.259 3/26/1984 1.261 4/23/1984 1.267 5/22/1984 1.282 6/19/1984 1.301 7/17/1984 1.318 8/14/1984 1.329 9/11/1984 1.341 10/9/1984 1.341 11/6/1984 1.315 12/5/1984 1.313 1/2/1985 1.307 1/30/1985 1.297 2/26/1985 1.293 3/27/1985 1.291 4/23/1985 1.297 5/21/1985 1.312 6/18/1985 1.338 7/16/1985 1.343 8/13/1985 1.36 9/10/1985 1.365 10/8/1985 1.366 11/5/1985 1.358 12/3/1985 1.344 12/19/1985 1.339 1/16/1986 1.338 2/13/1986 1.337 3/13/1986 1.339 4/11/1986 1.345 5/8/1986 1.355 6/5/1986 1.368 7/3/1986 1.364 7/31/1986 1.397 8/29/1986 1.408 9/25/1986 1.39 10/24/1986 1.378 11/19/1986 1.371 12/17/1986 1.363 1/15/1987 1.36 2/11/1987 1.36 3/6/1987 1.358 4/2/1987 1.362 4/30/1987 1.376 5/28/1987 1.388 6/26/1987 1.383 7/23/1987 1.385 8/20/1987 1.421 9/17/1987 1.427 10/15/1987 1.427 11/12/1987 1.437 12/9/1987 1.419 1/7/1988 1.401 2/4/1988 1.396 3/3/1988 1.392 3/31/1988 1.39 4/28/1988 1.395 5/26/1988 1.406 6/23/1988 1.433 7/21/1988 1.451 8/18/1988 1.457 9/14/1988 1.453 10/13/1988 1.457 11/9/1988 1.459 12/8/1988 1.464 1/5/1989 1.463 2/2/1989 1.436 3/2/1989 1.431 3/29/1989 1.428 4/27/1989 1.431 5/23/1989 1.432 6/22/1989 1.462 7/20/1989 1.448 8/17/1989 1.446 9/14/1989 1.468 10/12/1989 1.481 11/8/1989 1.475 12/7/1989 1.46 1/4/1990 1.456 2/1/1990 1.446 3/1/1990 1.441 3/29/1990 1.442 4/26/1990 1.442 5/24/1990 1.443 6/21/1990 1.466 7/19/1990 1.487 8/16/1990 1.505 9/13/1990 1.507 10/11/1990 1.508 11/7/1990 1.506 12/7/1990 1.501 1/3/1991 1.491 1/31/1991 1.461 2/28/1991 1.455 3/28/1991 1.455 4/25/1991 1.452 5/24/1991 1.45 6/24/1991 1.457 7/18/1991 1.476 8/15/1991 1.501 9/12/1991 1.483 10/10/1991 1.496 11/7/1991 1.504 12/5/1991 1.49 1/2/1992 1.469 1/30/1992 1.462 2/28/1992 1.459 3/25/1992 1.461 4/23/1992 1.46 5/21/1992 1.47 6/17/1992 1.466 7/16/1992 1.494 8/18/1992 1.506 9/9/1992 1.515 10/8/1992 1.521 11/5/1992 1.519 12/2/1992 1.498 12/30/1992 1.473 1/28/1993 1.462 2/24/1993 1.458 3/26/1993 1.454 4/22/1993 1.456 5/19/1993 1.46 6/17/1993 1.475 7/14/1993 1.485 8/13/1993 1.513 9/10/1993 1.524 10/8/1993 1.526 11/4/1993 1.505 12/2/1993 1.484 12/30/1993 1.48 1/26/1994 1.473 2/23/1994 1.464 3/25/1994 1.462 4/19/1994 1.462 5/18/1994 1.459 6/16/1994 1.48 7/15/1994 1.499 8/11/1994 1.508 9/8/1994 1.509 10/6/1994 1.513 11/3/1994 1.49 12/1/1994 1.492 12/29/1994 1.472 1/26/1995 1.464 2/23/1995 1.463 3/23/1995 1.458 4/20/1995 1.458 5/17/1995 1.468 6/15/1995 1.478 7/14/1995 1.496 8/10/1995 1.506 9/7/1995 1.526 10/5/1995 1.526 11/2/1995 1.527 12/1/1995 1.506 1/4/1996 1.478 1/25/1996 1.469 2/22/1996 1.463 3/21/1996 1.463 4/19/1996 1.465 5/16/1996 1.473 6/13/1996 1.507 7/12/1996 1.523 8/9/1996 1.521 9/7/1996 1.497 10/3/1996 1.48 10/30/1996 1.481 11/29/1996 1.488 12/26/1996 1.488 1/24/1997 1.474 2/21/1997 1.469 3/19/1997 1.464 4/16/1997 1.463 5/14/1997 1.465 6/13/1997 1.475 7/11/1997 1.503 8/7/1997 1.519 9/2/1997 1.535 10/3/1997 1.509 10/30/1997 1.496 11/26/1997 1.489 12/22/1997 1.476 1/21/1998 1.469 2/19/1998 1.463 3/19/1998 1.461 4/16/1998 1.466 5/14/1998 1.493 6/11/1998 1.525 7/8/1998 1.529 8/6/1998 1.555 9/4/1998 1.554 10/1/1998 1.523 10/30/1998 1.503 11/25/1998 1.495 12/18/1998 1.487 1/14/1999 1.479 2/12/1999 1.478 3/12/1999 1.475 4/9/1999 1.473 5/5/1999 1.484 6/3/1999 1.499 6/30/1999 1.498 7/29/1999 1.504 8/26/1999 1.534 9/23/1999 1.543 10/20/1999 1.539 11/18/1999 1.543 12/16/1999 1.541 1/13/2000 1.534 2/8/2000 1.529 3/6/2000 1.523 4/6/2000 1.518 5/3/2000 1.52 6/1/2000 1.527 6/29/2000 1.537 7/26/2000 1.553 8/24/2000 1.555 9/20/2000 1.551 10/19/2000 1.546 11/16/2000 1.53 12/14/2000 1.503 1/11/2001 1.494 2/8/2001 1.487 3/8/2001 1.484 4/5/2001 1.482 5/2/2001 1.493 5/30/2001 1.526 6/27/2001 1.52 7/26/2001 1.548 8/23/2001 1.554 9/20/2001 1.518 10/18/2001 1.512 11/14/2001 1.518 12/12/2001 1.509 1/10/2002 1.494 2/7/2002 1.493 3/6/2002 1.491 4/3/2002 1.49 5/2/2002 1.497 5/29/2002 1.516 6/26/2002 1.537 7/26/2002 1.537 8/21/2002 1.533 9/20/2002 1.531 10/17/2002 1.524 11/15/2002 1.492 12/13/2002 1.488 1/9/2003 1.487 2/5/2003 1.482 3/5/2003 1.476 4/3/2003 1.479 4/30/2003 1.482 5/29/2003 1.519 6/27/2003 1.533 7/23/2003 1.52 8/19/2003 1.522 9/18/2003 1.506 10/15/2003 1.501 11/12/2003 1.503 12/11/2003 1.499 1/9/2004 1.489 2/4/2004 1.483 3/4/2004 1.478 3/31/2004 1.478 4/30/2004 1.48 5/28/2004 1.483 6/25/2004 1.476 7/22/2004 1.49 8/18/2004 1.514 9/14/2004 1.521 10/14/2004 1.52 11/10/2004 1.508 12/8/2004 1.474 1/5/2005 1.464 1/31/2005 1.461 3/3/2005 1.451 3/29/2005 1.452 4/28/2005 1.459 5/27/2005 1.475 6/23/2005 1.503 7/21/2005 1.5 8/19/2005 1.516 9/20/2005 1.507 10/20/2005 1.513 11/16/2005 1.517 12/14/2005 1.512 1/9/2006 1.505 2/8/2006 1.5 3/7/2006 1.496 4/5/2006 1.493 5/3/2006 1.504 6/1/2006 1.508 6/28/2006 1.51 7/27/2006 1.503 8/28/2006 1.507 9/29/2006 1.51 10/23/2006 1.491 11/14/2006 1.484 12/12/2006 1.486