(Shane Fowler/CBC News)"It looked like just another rock on the side of the river," Lavigne said. (Submitted by the Provincial Archives of New Brunswick)Records from the Provincial Archives of New Brunswick list an Edward Byron Winslow as being born April 7, 1842, and dying on Nov. 24, 1904. Josh Green of the Provincial Archives of New Brunswick was able to track down details on the headstone and grave marker found by Lavigne in the St. John River. (Shane Fowler/CBC News)As for Lavigne's second grim discovery, she said she fished a small grave marker out of the river later on her same trip. According to records from the provincial archives, he was a major in the military and an accountant when he became a civilian.