This data set was acquired with a Sippican MK21 XBT Expendable Probe during Nathaniel B. Palmer expedition NBP0501B conducted in 2005 (Chief Scientist: Dr. Alisa Miller; Investigator(s): Dr. Steve Cande). These data files are of Sippican MK21 Export Data File format and include Temperature data that have not been processed. Data were acquired as part of the project(s): Late Cretaceous and Cenozoic Reconstructions of the Southwest Pacific, and funding was provided by NSF grant(s): OPP01-26334, OPP01-26340, and ANT03-38317.