dive_core_no  dive_no  core_no  depth_target  shipfix_lat  shipfix_lon  subfix_lat  subfix_lon  month  day  year  cruise_id  depth_core  CH4    d13C_CH4  DIC     d13C_DIC  sulfate  
4486-24       4486     24       2010          27.0077      -111.4085    27.0077     -111.4088   12     09   2008  AT15-40    0           nd     nd        nd      nd        28.32    
4486-24       4486     24       2010          27.0077      -111.4085    27.0077     -111.4088   12     09   2008  AT15-40    1           0.14   -26.42    5.92    -8.79     27.70    
4486-24       4486     24       2010          27.0077      -111.4085    27.0077     -111.4088   12     09   2008  AT15-40    3           0.38   -27.21    6.73    -10.56    27.47    
4486-24       4486     24       2010          27.0077      -111.4085    27.0077     -111.4088   12     09   2008  AT15-40    5           0.80   -34.09    9.63    -11.11    25.55    
4486-24       4486     24       2010          27.0077      -111.4085    27.0077     -111.4088   12     09   2008  AT15-40    7           1.05   -36.90    10.05   -11.92    24.93    
4486-24       4486     24       2010          27.0077      -111.4085    27.0077     -111.4088   12     09   2008  AT15-40    9           1.47   -38.59    11.41   -11.17    24.93    
4486-24       4486     24       2010          27.0077      -111.4085    27.0077     -111.4088   12     09   2008  AT15-40    11          1.41   -38.58    14.47   -13.36    24.32    
4486-24       4486     24       2010          27.0077      -111.4085    27.0077     -111.4088   12     09   2008  AT15-40    13          1.46   -38.39    14.54   -12.27    24.99    
4486-24       4486     24       2010          27.0077      -111.4085    27.0077     -111.4088   12     09   2008  AT15-40    15          1.19   -38.18    12.50   -12.03    nd