delta 13C (ratio of 13C:12C) from GT10 and GT11 
 PI: Paul Quay (University of Washington) 
 Version History:  
   17 June 2014 = data updated/corrections made (current version) 
   04 April 2013 = original data submitted 
 Note: Surface samples collected at stations through sample clean  
       seawater feed have no cast and sample numbers.