cruise       cast            sample  date          local_time  ISO_DateTime_UTC     Latitude  Longitude  average_depth      H2S       
HRS1709GL    multi-core 1    0       2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  overlying water    82.5      
HRS1709GL    multi-core 1    1       2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  0.39               175.3     
HRS1709GL    multi-core 1    2       2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  1.17               194.3     
HRS1709GL    multi-core 1    3       2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  1.95               184.9     
HRS1709GL    multi-core 1    4       2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  2.73               177.5     
HRS1709GL    multi-core 1    5       2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  3.51               259.1     
HRS1709GL    multi-core 1    6       2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  4.29               677.1     
HRS1709GL    multi-core 1    7       2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  5.07               964.4     
HRS1709GL    multi-core 1    8       2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  5.85               681.4     
HRS1709GL    multi-core 1    9       2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  6.63               460.5     
HRS1709GL    multi-core 1    10      2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  7.41               287.8     
HRS1709GL    multi-core 1    11      2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  8.19               NM        
HRS1709GL    multi-core 1    12      2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  8.97               1354.3    
HRS1709GL    multi-core 1    13      2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  9.75               1310.4    
HRS1709GL    multi-core 1    14      2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  10.53              NM        
HRS1709GL    multi-core 1    15      2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  11.31              1450.0    
HRS1709GL    multi-core 1    16      2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  13.49              1239.5    
HRS1709GL    multi-core 1    17      2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  15.24              1762.9    
HRS1709GL    multi-core 1    18      2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  16.91              1762.5    
HRS1709GL    multi-core 1    19      2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  19.14              1212.9    
HRS1709GL    multi-core 1    20      2017-08-06    10:43       2017-08-06T14:43Z    38.97805  -76.36735  21.02              1512.9