cruise_id    lat_approx  lon_approx  core_id       
AT26-09      9.09        -87.10      PC-A9         
AT26-09      9.09        -87.10      PC-A7         
AT26-09      9.09        -87.10      PC-B6         
AT26-09      9.09        -87.10      PC-B9         
AT26-09      9.09        -87.10      PC-C7         
AT26-09      9.09        -87.10      PC-C6         
AT26-24      9.09        -87.10      GC-03         
AT26-24      9.09        -87.10      GC-04         
AT26-24      9.09        -87.10      GC-05         
AT26-24      9.09        -87.10      GC-11         
AT26-24      9.09        -87.10      4780-PC-10    
AT26-24      9.09        -87.10      4780-PC-11    
AT26-24      9.09        -87.10      4780-PC-6     
AT26-24      9.09        -87.10      4780-PC-9     
AT26-24      9.09        -87.10      4780-PC-20    
AT26-24      9.09        -87.10      4782-PC-6     
AT26-24      9.09        -87.10      4783-PC-19    
AT26-24      9.09        -87.10      4783-PC-21    
AT26-24      9.09        -87.10      4783-PC-7