This data set was acquired with a Sippican MK21 XCTD Expendable Probe during Laurence M. Gould expedition LMG0910 conducted in 2009 (Chief Scientist: Dr. Wayne Trivelpiece). These data files are of Sippican MK21 Export Data File format and include Temperature and Salinity data that have not been processed. Data were acquired as part of the project(s): Palmer Station Opening, Copacabana Field Camp Opening, and Cape Shirreff Opening.