サンピエールの戦い
This is a somewhat detailed description of the incident.
Société des études historiques, Québec (1899), Le Bulletin des recherches historiques, 5-6 (1899-1900), A. Roy, https://books.google.co.jp/books?id=BVIOAAAAYAAJ&pg=RA1-PA131&redir_esc=y&hl=ja This volume contains (pp. 132-140) an account of a man who was in Beaujeu's rear guard, and not part of this action.
座標: 北緯46度55分12秒 西経70度37分46秒 / 北緯46.92度 西経70.6294度 / 46.92; -70.6294