1. Geology Southeast Beauchastel Township, Temiscamingue County, Quebec = Géologie Sud-Est du Cantan de Beauchastel, Comté de Témiscamingue, Québec Yale Public content 1962. 2013-02-05T14:50:00Z. 2013-02-26T15:13:35Z. Wilson, M. E., geologist. Geological Survey of Canada. English&French. cartographic image. Public. Québec (Province), Témiscamingue, and Témiscamingue (Québec).