This data set was acquired with a Navigation System during R/V Nathaniel B. Palmer expedition NBP1602 conducted in 2016 (Chief Scientist: Dr. Matthew Lamanna, Investigator: Dr. Matthew Lamanna). These data files are of Text File (ASCII) format and include Navigation data that were processed after acquisition. Data were acquired as part of the project(s): Collaborative Research: Late Cretaceous-Paleogene Vertebrates from Antarctica: Implications for Paleobiogeography, Paleoenvironment, and Extinction in Polar Gondwana. Funding was provided by NSF award(s): ANT11-42052.