Fig. 1. Location of Newfoundland in Eastern Canada (rectangle in top left map). Location of study area, Placentia Bay, in southeast Newfoundland (rectangle in Newfoundland map). Close up of Placentia Bay showing the location of past (Argentia U.S. Naval Base and Long Harbour phosphorus plant) and present (Come By Chance oil refinery, Whiffen Head offshore oil transhipment facility and Marystown shipyard) industries (large center map).