TY - RPRT TI - Calcareous nannofossil evidence for the existence of the Gulf Stream during the late Maastrichtian AU - D.K. Watkins AU - Self-Trail J.M. PY - 2005 DO - 10.1029/2004pa001121 UR - https://pubs.usgs.gov/publication/70028196 ID - 70028196 ER -